Moon on 21 December 1991
Royal Observatory, Greenwich (51°28′40″N 00°00′05″W GMT 0)December 21, 1991 Date: December 21, 1991 Day of the week: Saturday Moon age: 16, 17 lunar day(-s) Moonrise: ↑ 15:55 Moonset: ↓ 08:12 Moon Sign: Gemini ♊ and Cancer ♋ (from 12:02) Element: Air | Water (from 12:02) Moon phase: FULL MOON (SUPERMOON) at 10:24:18 Plant part: Flower Days | Leaf Days (from 12:02) |
16 lunar day – until 15:55
17 lunar day – from 15:55
Sunrise and Sunset Times in Royal Observatory, England (Great Britain) – December 21, 1991
| Date | Sunrise Civil Twilight start | Sunset Civil Twilight end | Day length Civil Twilight |
| December 21, 1991 | 07:00 06:22 | 14:55 15:33 | 07:54 09:10 |