Purnima (पूर्णिमा) dates and timings in Adelaide for 1977
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 | 4 Jan 1977, 9:34 pm GMT+10:30 | 5 Jan 1977, 10:40 pm GMT+10:30 | 25 hr 6 min | Yes |
| 2 | 3 Feb 1977, 2:47 pm GMT+10:30 | 4 Feb 1977, 2:26 pm GMT+10:30 | 23 hr 39 min | Yes |
| 3 | 5 Mar 1977, 5:27 am GMT+10:30 | 6 Mar 1977, 2:43 am GMT+9:30 | 22 hr 16 min | Yes |
| 4 | 3 Apr 1977, 4:29 pm GMT+9:30 | 4 Apr 1977, 1:38 pm GMT+9:30 | 21 hr 10 min | Yes |
| 5 | 3 May 1977, 2:07 am GMT+9:30 | 3 May 1977, 10:33 pm GMT+9:30 | 20 hr 26 min | No |
| 6 | 1 Jun 1977, 9:53 am GMT+9:30 | 2 Jun 1977, 6:00 am GMT+9:30 | 20 hr 8 min | Yes |
| 7 | 30 Jun 1977, 4:33 pm GMT+9:30 | 1 Jul 1977, 12:54 pm GMT+9:30 | 20 hr 21 min | Yes |
| 8 | 29 Jul 1977, 11:16 pm GMT+9:30 | 30 Jul 1977, 8:22 pm GMT+9:30 | 21 hr 6 min | Yes |
| 9 | 28 Aug 1977, 7:19 am GMT+9:30 | 29 Aug 1977, 5:40 am GMT+9:30 | 22 hr 21 min | Yes |
| 10 | 26 Sept 1977, 5:56 pm GMT+9:30 | 27 Sept 1977, 5:47 pm GMT+9:30 | 23 hr 51 min | Yes |
| 11 | 26 Oct 1977, 7:47 am GMT+9:30 | 27 Oct 1977, 9:05 am GMT+9:30 | 25 hr 17 min | Yes |
| 12 | 25 Nov 1977, 1:45 am GMT+10:30 | 26 Nov 1977, 4:01 am GMT+10:30 | 26 hr 16 min | Yes |
| 13 | 24 Dec 1977, 8:47 pm GMT+10:30 | 25 Dec 1977, 11:19 pm GMT+10:30 | 26 hr 32 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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