Moon on 21 January 1931
Royal Observatory, Greenwich (51°28′40″N 00°00′05″W GMT 0)January 21, 1931 Date: January 21, 1931 Day of the week: Wednesday Moon age: 3, 4 lunar day(-s) Moonrise: ↑ 09:31 Moonset: ↓ 19:19 Moon Sign: Aquarius ♒ and Pisces ♓ (from 10:40) Element: Air | Water (from 10:40) Moon phase: Waxing Crescent Plant part: Flower Days | Leaf Days (from 10:40) |
3 lunar day – until 09:31
4 lunar day – from 09:31
Sunrise and Sunset Times in Royal Observatory, England (Great Britain) – January 21, 1931
| Date | Sunrise Civil Twilight start | Sunset Civil Twilight end | Day length Civil Twilight |
| January 21, 1931 | 07:52 07:16 | 16:30 17:06 | 08:38 09:50 |