Daily Celestial Overview
Key timings for Thursday, October 15
Planetary Hours in Cairo This Week
| Date | Day ruler | First hour starts | Daytime hour | Nighttime hour |
|---|---|---|---|---|
| Thursday, Oct 15 | ♃ Jupiter | 6:56 AM | 57 min | 63 min |
| Friday, Oct 16 | ♀ Venus | 6:57 AM | 57 min | 63 min |
| Saturday, Oct 17 | ♄ Saturn | 6:57 AM | 57 min | 63 min |
| Sunday, Oct 18 | ☉ Sun | 6:58 AM | 57 min | 63 min |
| Monday, Oct 19 | ☽ Moon | 6:59 AM | 57 min | 63 min |
| Tuesday, Oct 20 | ♂ Mars | 6:59 AM | 57 min | 63 min |
| Wednesday, Oct 21 | ☿ Mercury | 7:00 AM | 56 min | 64 min |
Today's Hours by Planet in Cairo
Planetary Hours in Cairo Through 2026
Over the year a daytime hour in Cairo runs from 51 minutes around Dec 21 to 71 minutes around Jun 21, a swing of 20 minutes.
Clocks in Cairo go forward an hour on Apr 24 and back on Oct 30. The planetary hours follow the Sun, so the hours themselves don't move; only their clock times jump by an hour overnight.
By the clock, Cairo's latest sunrise of the year comes on Oct 29 (7:06 AM), the last morning before clocks go back, not on the shortest day.
| In 2026 | Shortest / earliest | Longest / latest |
|---|---|---|
| Daytime hour | 51.1 min, Dec 21 | 70.5 min, Jun 21 |
| Sunrise (first hour) | 5:19 AM, Apr 23 | 7:06 AM, Oct 29 |
| Sunset (first night hour) | 4:54 PM, Nov 29 | 8:00 PM, Jun 24 |
Clock Changes in Cairo, 2026
| Date | Clocks go | First hour, day before | First hour, that day |
|---|---|---|---|
| Apr 24 | Forward an hour | 5:19 AM | 6:18 AM |
| Oct 30 | Back an hour | 7:06 AM | 6:07 AM |
How These Times Are Calculated
Twelve equal hours run from sunrise to sunset and twelve from sunset to the next sunrise, starting with the weekday's ruler and following the Chaldean order. Every time on this page, today's and the year's, is calculated for these coordinates with a high-precision ephemeris.
Frequently Asked Questions
How long is a planetary hour in Cairo?
Today a daytime hour in Cairo lasts about 57 minutes and a nighttime hour about 63. Over 2026 the daytime hour ranges from 51 minutes (Dec 21) to 71 (Jun 21).
Do planetary hours in Cairo change with daylight saving time?
Their clock times do. On Apr 24 (clocks forward) and Oct 30 (clocks back), sunrise and every hour after it jump by an hour on the clock: the first hour started at 5:19 AM the day before Apr 24 and at 6:18 AM that day.