BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Stellarhound//city-ics-v1//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Stellarhound — Waterton-Glacier International Peace Park dar
 k-sky nights
X-WR-CALDESC:Nights when the Moon leaves Waterton-Glacier International Pea
 ce Park's dark hours essentially moon-free (moon interference ≤ 15%\, th
 e deep-sky standard used across stellarhound.com). Deterministic moon & da
 rkness geometry via Skyfield + JPL DE440s (city-ics-v1). Cloud cover is no
 t knowable this far ahead — check the live forecast at https://stellarho
 und.com/dark-sites/waterton-glacier-international-peace-park?utm_source=ca
 lendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-
 glacier-international-peace-park closer to each window.
REFRESH-INTERVAL;VALUE=DURATION:P1W
X-PUBLISHED-TTL:P1W
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2026-08-08@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20260808
DTEND;VALUE=DATE:20260821
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2026-09-06@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20260906
DTEND;VALUE=DATE:20260919
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2026-10-05@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261005
DTEND;VALUE=DATE:20261018
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2026-11-02@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261102
DTEND;VALUE=DATE:20261116
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2026-12-02@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261202
DTEND;VALUE=DATE:20261215
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2026-12-31@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261231
DTEND;VALUE=DATE:20270114
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-01-29@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270129
DTEND;VALUE=DATE:20270212
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-02-27@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270227
DTEND;VALUE=DATE:20270313
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-03-28@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270328
DTEND;VALUE=DATE:20270411
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-04-27@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270427
DTEND;VALUE=DATE:20270510
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-05-27@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270527
DTEND;VALUE=DATE:20270609
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-06-28@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270628
DTEND;VALUE=DATE:20270712
SUMMARY:Dark-sky window · 14 moon-free nights
DESCRIPTION:14 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-07-28@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270728
DTEND;VALUE=DATE:20270810
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-08-27@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270827
DTEND;VALUE=DATE:20270908
SUMMARY:Dark-sky window · 12 moon-free nights
DESCRIPTION:12 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-09-24@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270924
DTEND;VALUE=DATE:20271007
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-10-23@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20271023
DTEND;VALUE=DATE:20271105
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-11-21@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20271121
DTEND;VALUE=DATE:20271204
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-waterton-glacier-international-peace-park-2027-12-21@s
 tellarhound.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20271221
DTEND;VALUE=DATE:20280101
SUMMARY:Dark-sky window · 11 moon-free nights
DESCRIPTION:11 nights with essentially moon-free dark hours at Waterton-Gla
 cier International Peace Park (nightly moon interference ≤ 15% — Moon 
 below the horizon for nearly all of astronomical darkness\, or too thin to
  matter).\n\nCloud is the one thing no calendar can promise. When a window
  gets close\, check the live per-night forecast: https://stellarhound.com/
 dark-sites/waterton-glacier-international-peace-park?utm_source=calendar&u
 tm_medium=ics&utm_campaign=dark-site-windows&utm_content=waterton-glacier-
 international-peace-park\n\nRule city-ics-v1 — deterministic moon/darkne
 ss geometry\, Skyfield + JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/waterton-glacier-international-peac
 e-park?utm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&u
 tm_content=waterton-glacier-international-peace-park
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR