- 7 May, 09:16 Vilnius time: new moon.
- 14 May, 22:00 Vilnius time: first quarter.
- 21 May, 13:03 Vilnius time: full moon, traditionally the Flower Moon.
- 28 May, 20:58 Vilnius time: last quarter.
- During May 2073 the Moon passes through all eight phases. One full cycle takes about 29.5 days.
- The next full moon after this month is on 19 June 2073 (June 2073).
Moon phase times, May 2073
The four principal phases are moments, not whole days. Times are given in UTC and in Europe/Vilnius time.
| Date | Phase | Europe/Vilnius | UTC |
|---|---|---|---|
| Sun 7 May | New moon | 09:16 | 06:16 |
| Sun 14 May | First quarter | 22:00 | 19:00 |
| Sun 21 May | Full moon · Flower Moon | 13:03 | 10:03 |
| Sun 28 May | Last quarter | 20:58 | 17:58 |
The sky: May 2073
Planets and sky events this month, as seen in London. The Moon's phases are in the calendar above.
Planets visible (mid-month)
Events
| Wed 3 May | The Moon near Venus | About 2.5° apart, but Venus is not visible that night. |
| Thu 4 May | The Moon near Mars | About 2.9° apart, but Mars is not visible that night. |
| Thu 4 May | Eta Aquariids meteor shower peak | Up to 50 meteors an hour in a perfect sky. The Moon is 3% lit and will not interfere. |
| Thu 11 May | The Moon near Jupiter | About 3.8° apart. Look for Jupiter next to the Moon. |
| Fri 12 May | Saturn at opposition | The planet is opposite the Sun: it rises at sunset, is up all night and at its brightest of the year. |
| Wed 17 May | Venus farthest from the Sun | 46° in the morning sky. Too low at this latitude this time, hard to see. |
| Sat 20 May | The Moon near Saturn | About 2.6° apart. Look for Saturn next to the Moon. |
| Sun 28 May | Mercury farthest from the Sun | 23° in the evening sky. Look low in the west after sunset. |
How to read the moon calendar
Each day shows its date, the share of the Moon’s disc that is lit at noon, and the Moon’s shape that day. When a full moon, new moon or quarter falls on a day, it is named at the bottom of the cell.
Illumination is the part of the disc lit by the Sun. It grows from new moon to full moon (waxing) and shrinks from full moon to new moon (waning). Each day opens its own page with every signal for that date.
Full moon dates 2073
| Date | Time (UTC) | Traditional name | |
|---|---|---|---|
| Mon 23 Jan | 20:06 | Wolf Moon | next |
| Wed 22 Feb | 07:27 | Snow Moon | |
| Thu 23 Mar | 17:18 | Worm Moon | |
| Sat 22 Apr | 01:55 | Pink Moon | |
| Sun 21 May | 10:03 | Flower Moon | |
| Mon 19 Jun | 18:45 | Strawberry Moon | |
| Wed 19 Jul | 05:05 | Buck Moon | |
| Thu 17 Aug | 17:46 | Sturgeon Moon | |
| Sat 16 Sep | 08:53 | Harvest Moon | |
| Mon 16 Oct | 01:55 | Hunter’s Moon | |
| Tue 14 Nov | 19:55 | Beaver Moon | |
| Thu 14 Dec | 13:49 | Cold Moon |
New moon dates 2073
| Date | Time (UTC) | |
|---|---|---|
| Sun 8 Jan | 08:12 | next |
| Tue 7 Feb | 01:41 | |
| Wed 8 Mar | 20:16 | |
| Fri 7 Apr | 14:14 | |
| Sun 7 May | 06:16 | |
| Mon 5 Jun | 19:52 | |
| Wed 5 Jul | 07:17 | |
| Thu 3 Aug | 17:05 | |
| Sat 2 Sep | 01:53 | |
| Sun 1 Oct | 10:22 | |
| Mon 30 Oct | 19:13 | |
| Wed 29 Nov | 05:12 | |
| Thu 28 Dec | 16:56 |
The eight moon phases explained
Four principal phases are exact instants; the four in between are the days that connect them.
Solar and lunar eclipses in 2073
No eclipse data for 2073.
The waning moon is traditionally a time for finishing
Questions people ask
When is the full moon in May 2073?
The full moon is on 21 May 2073. Its traditional name is the Flower Moon. The exact time is in the table on this page.
When is the new moon in May 2073?
The new moon is on 7 May 2073. The Moon can’t be seen that night: it sits between Earth and the Sun with its lit side turned away.
What do the percentages mean?
They show how much of the Moon’s disc is lit at noon. 0% is new moon, 100% is full moon and 50% is a quarter.
Why does another calendar give a different date?
A phase is a moment. When it falls near midnight, the date can differ by one day between time zones. This calendar uses Europe/Vilnius time for the days.
How often is there a full moon?
About every 29.5 days. Some months have two; the second is called a Blue Moon.
- Jean Meeus, Astronomical Algorithms, 2nd ed., Willmann-Bell, 1998, chapters 48 and 49.
- NASA Eclipse Web Site (eclipse dates and visibility).
Numbers update through the day from public sources. The text for each day is written from that day’s data and checked by the editor. Every past day keeps its own page in the archive.