BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Stellarhound//city-ics-v1//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Stellarhound — Flagstaff Area National Monuments dark-sky ni
 ghts
X-WR-CALDESC:Nights when the Moon leaves Flagstaff Area National Monuments'
 s dark hours essentially moon-free (moon interference ≤ 15%\, the deep-s
 ky standard used across stellarhound.com). Deterministic moon & darkness g
 eometry via Skyfield + JPL DE440s (city-ics-v1). Cloud cover is not knowab
 le this far ahead — check the live forecast at https://stellarhound.com/
 dark-sites/flagstaff-area-national-monuments?utm_source=calendar&utm_mediu
 m=ics&utm_campaign=dark-site-windows&utm_content=flagstaff-area-national-m
 onuments closer to each window.
REFRESH-INTERVAL;VALUE=DURATION:P1W
X-PUBLISHED-TTL:P1W
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2026-08-07@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20260807
DTEND;VALUE=DATE:20260819
SUMMARY:Dark-sky window · 12 moon-free nights
DESCRIPTION:12 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2026-09-05@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20260905
DTEND;VALUE=DATE:20260918
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2026-10-04@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20261004
DTEND;VALUE=DATE:20261017
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2026-11-02@stellarho
 und.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 Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2026-12-02@stellarho
 und.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 Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2026-12-31@stellarho
 und.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 Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-01-30@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270130
DTEND;VALUE=DATE:20270212
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-02-28@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270228
DTEND;VALUE=DATE:20270313
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-03-29@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270329
DTEND;VALUE=DATE:20270411
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-04-28@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270428
DTEND;VALUE=DATE:20270511
SUMMARY:Dark-sky window · 13 moon-free nights
DESCRIPTION:13 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-05-29@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270529
DTEND;VALUE=DATE:20270609
SUMMARY:Dark-sky window · 11 moon-free nights
DESCRIPTION:11 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-06-28@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270628
DTEND;VALUE=DATE:20270710
SUMMARY:Dark-sky window · 12 moon-free nights
DESCRIPTION:12 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-07-28@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270728
DTEND;VALUE=DATE:20270809
SUMMARY:Dark-sky window · 12 moon-free nights
DESCRIPTION:12 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-08-26@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270826
DTEND;VALUE=DATE:20270907
SUMMARY:Dark-sky window · 12 moon-free nights
DESCRIPTION:12 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-09-24@stellarho
 und.com
DTSTAMP:20260719T000000Z
DTSTART;VALUE=DATE:20270924
DTEND;VALUE=DATE:20271006
SUMMARY:Dark-sky window · 12 moon-free nights
DESCRIPTION:12 nights with essentially moon-free dark hours at Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-10-23@stellarho
 und.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 Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-11-21@stellarho
 und.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 Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
UID:dark-site-window-flagstaff-area-national-monuments-2027-12-21@stellarho
 und.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 Flagstaff Ar
 ea National Monuments (nightly moon interference ≤ 15% — Moon below th
 e 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 cl
 ose\, check the live per-night forecast: https://stellarhound.com/dark-sit
 es/flagstaff-area-national-monuments?utm_source=calendar&utm_medium=ics&ut
 m_campaign=dark-site-windows&utm_content=flagstaff-area-national-monuments
 \n\nRule city-ics-v1 — deterministic moon/darkness geometry\, Skyfield +
  JPL DE440s. Not a weather forecast.
URL:https://stellarhound.com/dark-sites/flagstaff-area-national-monuments?u
 tm_source=calendar&utm_medium=ics&utm_campaign=dark-site-windows&utm_conte
 nt=flagstaff-area-national-monuments
CATEGORIES:dark-sky-window
STATUS:CONFIRMED
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR