OBSERVATORY / CANADA
David Dunlap Observatory
123A Hillsview Drive, Richmond Hill, Ontario, Canada
43.8629° N · 79.4226° W
Calculated for September 21, 2026 (America/Toronto · UTC-04:00 at calculation).
Tonight's Moon
Waxing Gibbous · 74% illuminated
Moonrise 17:06 · Moonset 01:19
Times are for local date 2026-09-21.
The Moon image shows its phase, not its orientation in the local sky.
Facility-local time (America/Toronto · UTC-04:00 at calculation). These are astronomical event times, not venue hours.
Visit information
City-run public astronomy and education programs. Park access does not imply access to the buildings or telescope; check program registration and age requirements.
Hours, prices, reservations and weather can change. Check the official venue information before travelling.
Record checked 2026-09-21. Source ↗ · Coordinate source ↗
The dark part of the night
Astronomical night is shown in separate facility-local intervals for 2026-09-21 evening through the following morning.
- 21:00 (UTC-04:00) — Sep 22 · 05:15 (UTC-04:00)
Moon-free intervals within that night:
- Sep 22 · 02:30 (UTC-04:00) — Sep 22 · 05:15 (UTC-04:00)
The chart shows astronomical twilight, Moon altitude and geometric planet positions. It does not describe venue access, weather, haze, light pollution or local obstructions.