- 5 Sep, 22:18 Vilnius time: new moon.
- 12 Sep, 14:58 Vilnius time: first quarter.
- 20 Sep, 14:50 Vilnius time: full moon, traditionally the Harvest Moon.
- 28 Sep, 14:45 Vilnius time: last quarter.
- During September 1975 the Moon passes through all eight phases. One full cycle takes about 29.5 days.
- The next full moon after this month is on 20 October 1975 (October 1975).
Moon phase times, September 1975
The four principal phases are moments, not whole days. Times are given in UTC and in Europe/Vilnius time.
| Date | Phase | Europe/Vilnius | UTC |
|---|---|---|---|
| Fri 5 Sep | New moon | 22:18 | 19:18 |
| Fri 12 Sep | First quarter | 14:58 | 11:58 |
| Sat 20 Sep | Full moon · Harvest Moon | 14:50 | 11:50 |
| Sun 28 Sep | Last quarter | 14:45 | 11:45 |
The sky: September 1975
Planets and sky events this month, as seen in London. The Moon's phases are in the calendar above.
Planets visible (mid-month)
Events
| Tue 2 Sep | The Moon near Saturn | About 4.5° apart. Look for Saturn next to the Moon. |
| Thu 4 Sep | The Moon near Venus | About 3.4° apart, but Venus is not visible that night. |
| Sun 7 Sep | The Moon near Mercury | About 1.8° apart, but Mercury is not visible that night. |
| Sat 13 Sep | Mercury farthest from the Sun | 27° in the evening sky. Too low at this latitude this time, hard to see. |
| Mon 22 Sep | The Moon near Jupiter | About 4.2° apart. Look for Jupiter next to the Moon. |
| Sat 27 Sep | The Moon near Mars | About 2.1° apart. Look for Mars next to the Moon. |
| Tue 30 Sep | The Moon near Saturn | About 4.9° apart. Look for Saturn next to the Moon. |
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 1975
| Date | Time (UTC) | Traditional name | |
|---|---|---|---|
| Mon 27 Jan | 15:09 | Wolf Moon | passed |
| Wed 26 Feb | 01:14 | Snow Moon | passed |
| Thu 27 Mar | 10:35 | Worm Moon | passed |
| Fri 25 Apr | 19:54 | Pink Moon | passed |
| Sun 25 May | 05:50 | Flower Moon | passed |
| Mon 23 Jun | 16:53 | Strawberry Moon | passed |
| Wed 23 Jul | 05:27 | Buck Moon | passed |
| Thu 21 Aug | 19:47 | Sturgeon Moon | passed |
| Sat 20 Sep | 11:50 | Harvest Moon | passed |
| Mon 20 Oct | 05:05 | Hunter’s Moon | passed |
| Wed 19 Nov | 22:27 | Beaver Moon | passed |
| Thu 18 Dec | 14:39 | Cold Moon | passed |
New moon dates 1975
| Date | Time (UTC) | |
|---|---|---|
| Sun 12 Jan | 10:19 | passed |
| Tue 11 Feb | 05:16 | passed |
| Thu 13 Mar | 23:47 | passed |
| Fri 11 Apr | 16:38 | passed |
| Sun 11 May | 07:04 | passed |
| Mon 9 Jun | 18:48 | passed |
| Wed 9 Jul | 04:09 | passed |
| Thu 7 Aug | 11:56 | passed |
| Fri 5 Sep | 19:18 | passed |
| Sun 5 Oct | 03:22 | passed |
| Mon 3 Nov | 13:04 | passed |
| Wed 3 Dec | 00:49 | passed |
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 1975
No eclipse data for 1975.
The waning moon is traditionally a time for finishing
Questions people ask
When is the full moon in September 1975?
The full moon is on 20 September 1975. Its traditional name is the Harvest Moon. The exact time is in the table on this page.
When is the new moon in September 1975?
The new moon is on 5 September 1975. 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.