Purnima (पूर्णिमा) dates and timings in Adelaide for 1981
Verified astronomical start and end times for lunar day 15 in Adelaide, shown in Australia/Adelaide.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 19 Jan 1981, 7:19 pm GMT+10:30 | 20 Jan 1981, 6:08 pm GMT+10:30 | 22 hr 49 min | Yes |
| 2 | 18 Feb 1981, 9:09 am GMT+10:30 | 19 Feb 1981, 9:28 am GMT+10:30 | 24 hr 19 min | Yes |
| 3 | 19 Mar 1981, 11:20 pm GMT+9:30 | 21 Mar 1981, 12:52 am GMT+9:30 | 25 hr 32 min | Yes |
| 4 | 18 Apr 1981, 3:14 pm GMT+9:30 | 19 Apr 1981, 5:28 pm GMT+9:30 | 26 hr 15 min | Yes |
| 5 | 18 May 1981, 7:11 am GMT+9:30 | 19 May 1981, 9:33 am GMT+9:30 | 26 hr 22 min | Yes |
| 6 | 16 Jun 1981, 10:40 pm GMT+9:30 | 18 Jun 1981, 12:34 am GMT+9:30 | 25 hr 54 min | Yes |
| 7 | 16 Jul 1981, 1:15 pm GMT+9:30 | 17 Jul 1981, 2:08 pm GMT+9:30 | 24 hr 53 min | Yes |
| 8 | 15 Aug 1981, 2:36 am GMT+9:30 | 16 Aug 1981, 2:06 am GMT+9:30 | 23 hr 30 min | Yes |
| 9 | 13 Sept 1981, 2:34 pm GMT+9:30 | 14 Sept 1981, 12:38 pm GMT+9:30 | 22 hr 4 min | Yes |
| 10 | 13 Oct 1981, 1:26 am GMT+9:30 | 13 Oct 1981, 10:19 pm GMT+9:30 | 20 hr 53 min | No |
| 11 | 11 Nov 1981, 12:43 pm GMT+10:30 | 12 Nov 1981, 8:56 am GMT+10:30 | 20 hr 13 min | Yes |
| 12 | 10 Dec 1981, 11:00 pm GMT+10:30 | 11 Dec 1981, 7:11 pm GMT+10:30 | 20 hr 11 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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