Purnima (पूर्णिमा) dates and timings in Adelaide for 2031
Verified astronomical start and end times for lunar day 15 in Adelaide, shown in Australia/Adelaide.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 8 Jan 2031, 2:28 am GMT+10:30 | 9 Jan 2031, 4:55 am GMT+10:30 | 26 hr 28 min | Yes |
| 2 | 6 Feb 2031, 9:48 pm GMT+10:30 | 7 Feb 2031, 11:16 pm GMT+10:30 | 25 hr 27 min | Yes |
| 3 | 8 Mar 2031, 2:55 pm GMT+10:30 | 9 Mar 2031, 2:59 pm GMT+10:30 | 24 hr 4 min | Yes |
| 4 | 7 Apr 2031, 4:10 am GMT+9:30 | 8 Apr 2031, 2:51 am GMT+9:30 | 22 hr 41 min | Yes |
| 5 | 6 May 2031, 3:40 pm GMT+9:30 | 7 May 2031, 1:09 pm GMT+9:30 | 21 hr 30 min | Yes |
| 6 | 5 Jun 2031, 12:51 am GMT+9:30 | 5 Jun 2031, 9:28 pm GMT+9:30 | 20 hr 37 min | No |
| 7 | 4 Jul 2031, 8:22 am GMT+9:30 | 5 Jul 2031, 4:31 am GMT+9:30 | 20 hr 9 min | Yes |
| 8 | 2 Aug 2031, 3:04 pm GMT+9:30 | 3 Aug 2031, 11:15 am GMT+9:30 | 20 hr 11 min | Yes |
| 9 | 31 Aug 2031, 10:03 pm GMT+9:30 | 1 Sept 2031, 6:50 pm GMT+9:30 | 20 hr 47 min | Yes |
| 10 | 30 Sept 2031, 6:32 am GMT+9:30 | 1 Oct 2031, 4:27 am GMT+9:30 | 21 hr 55 min | Yes |
| 11 | 29 Oct 2031, 6:38 pm GMT+10:30 | 30 Oct 2031, 6:02 pm GMT+10:30 | 23 hr 25 min | Yes |
| 12 | 28 Nov 2031, 8:53 am GMT+10:30 | 29 Nov 2031, 9:48 am GMT+10:30 | 24 hr 55 min | Yes |
| 13 | 28 Dec 2031, 2:00 am GMT+10:30 | 29 Dec 2031, 4:03 am GMT+10:30 | 26 hr 2 min | Yes |
How these timings are calculated
BDA calculates the geocentric angular separation of the Moon and Sun and divides the full cycle into 30 equal 12-degree Tithi sectors. UTC boundaries are converted to the timezone resolved from the listed city coordinates.
Scope: These are astronomical Tithi spans only. This page does not choose a festival, Vrat, Parana, or Muhurta date. Those decisions require their separately certified sunrise-prevalence and observance rules.
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