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Lunar Phases for 2031
This page lists all lunar phase events in 2031: New Moon, First Quarter, Full Moon, and Last Quarter.
Dates are based on the UTC time zone. Phases are calculated using the synodic month (approximately 29.53058867 days). Dates are accurate to within a day; for exact times consult an astronomical almanac.
Interesting facts for 2031
- 2031 has 13 full moons.
- Blue Moon: September 30 — the second full moon in a calendar month.
- Easter 2031: Sunday, April 13, 2031. Easter falls on the first Sunday after the first full moon on or after March 21. That full moon is on April 6.
« lunar phases for 2030 | lunar phases for 2032 »
| Start date | Phase | Day of year | Note |
|---|---|---|---|
| January 1, 2031 (Wed) | First Quarter | 1 | |
| January 7, 2031 (Tue) | Full Moon | 7 | |
| January 15, 2031 (Wed) | Last Quarter | 15 | |
| January 22, 2031 (Wed) | New Moon | 22 | |
| January 30, 2031 (Thu) | First Quarter | 30 | |
| February 6, 2031 (Thu) | Full Moon | 37 | |
| February 13, 2031 (Thu) | Last Quarter | 44 | |
| February 21, 2031 (Fri) | New Moon | 52 | |
| February 28, 2031 (Fri) | First Quarter | 59 | |
| March 7, 2031 (Fri) | Full Moon | 66 | |
| March 15, 2031 (Sat) | Last Quarter | 74 | |
| March 22, 2031 (Sat) | New Moon | 81 | |
| March 30, 2031 (Sun) | First Quarter | 89 | |
| April 6, 2031 (Sun) | Full Moon | 96 | Easter (April 13) |
| April 13, 2031 (Sun) | Last Quarter | 103 | |
| April 21, 2031 (Mon) | New Moon | 111 | |
| April 28, 2031 (Mon) | First Quarter | 118 | |
| May 6, 2031 (Tue) | Full Moon | 126 | |
| May 13, 2031 (Tue) | Last Quarter | 133 | |
| May 20, 2031 (Tue) | New Moon | 140 | |
| May 28, 2031 (Wed) | First Quarter | 148 | |
| June 4, 2031 (Wed) | Full Moon | 155 | |
| June 11, 2031 (Wed) | Last Quarter | 162 | |
| June 19, 2031 (Thu) | New Moon | 170 | |
| June 26, 2031 (Thu) | First Quarter | 177 | |
| July 4, 2031 (Fri) | Full Moon | 185 | |
| July 11, 2031 (Fri) | Last Quarter | 192 | |
| July 18, 2031 (Fri) | New Moon | 199 | |
| July 26, 2031 (Sat) | First Quarter | 207 | |
| August 2, 2031 (Sat) | Full Moon | 214 | |
| August 10, 2031 (Sun) | Last Quarter | 222 | |
| August 17, 2031 (Sun) | New Moon | 229 | |
| August 24, 2031 (Sun) | First Quarter | 236 | |
| September 1, 2031 (Mon) | Full Moon | 244 | |
| September 8, 2031 (Mon) | Last Quarter | 251 | |
| September 15, 2031 (Mon) | New Moon | 258 | |
| September 23, 2031 (Tue) | First Quarter | 266 | |
| September 30, 2031 (Tue) | Full Moon | 273 | Blue Moon |
| October 8, 2031 (Wed) | Last Quarter | 281 | |
| October 15, 2031 (Wed) | New Moon | 288 | |
| October 22, 2031 (Wed) | First Quarter | 295 | |
| October 30, 2031 (Thu) | Full Moon | 303 | |
| November 6, 2031 (Thu) | Last Quarter | 310 | |
| November 13, 2031 (Thu) | New Moon | 317 | |
| November 21, 2031 (Fri) | First Quarter | 325 | |
| November 28, 2031 (Fri) | Full Moon | 332 | |
| December 6, 2031 (Sat) | Last Quarter | 340 | |
| December 13, 2031 (Sat) | New Moon | 347 | |
| December 20, 2031 (Sat) | First Quarter | 354 | |
| December 28, 2031 (Sun) | Full Moon | 362 |
« lunar phases for 2030 | lunar phases for 2032 »
Other years: 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 | 2031
Also see: Week numbers for 2031 | Day numbers for 2031