Purnima (पूर्णिमा) dates and timings in Perth for 1980
Verified astronomical start and end times for lunar day 15 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 1 Jan 1980, 4:59 pm GMT+8 | 2 Jan 1980, 5:02 pm GMT+8 | 24 hr 2 min | Yes |
| 2 | 31 Jan 1980, 8:49 am GMT+8 | 1 Feb 1980, 10:21 am GMT+8 | 25 hr 31 min | Yes |
| 3 | 1 Mar 1980, 2:31 am GMT+8 | 2 Mar 1980, 4:59 am GMT+8 | 26 hr 28 min | Yes |
| 4 | 30 Mar 1980, 8:40 pm GMT+8 | 31 Mar 1980, 11:13 pm GMT+8 | 26 hr 33 min | Yes |
| 5 | 29 Apr 1980, 1:43 pm GMT+8 | 30 Apr 1980, 3:35 pm GMT+8 | 25 hr 52 min | Yes |
| 6 | 29 May 1980, 4:44 am GMT+8 | 30 May 1980, 5:27 am GMT+8 | 24 hr 44 min | Yes |
| 7 | 27 Jun 1980, 5:36 pm GMT+8 | 28 Jun 1980, 5:02 pm GMT+8 | 23 hr 26 min | Yes |
| 8 | 27 Jul 1980, 4:43 am GMT+8 | 28 Jul 1980, 2:53 am GMT+8 | 22 hr 10 min | Yes |
| 9 | 25 Aug 1980, 2:36 pm GMT+8 | 26 Aug 1980, 11:42 am GMT+8 | 21 hr 6 min | Yes |
| 10 | 23 Sept 1980, 11:47 pm GMT+8 | 24 Sept 1980, 8:07 pm GMT+8 | 20 hr 20 min | Yes |
| 11 | 23 Oct 1980, 8:47 am GMT+8 | 24 Oct 1980, 4:51 am GMT+8 | 20 hr 5 min | Yes |
| 12 | 21 Nov 1980, 6:12 pm GMT+8 | 22 Nov 1980, 2:38 pm GMT+8 | 20 hr 26 min | Yes |
| 13 | 21 Dec 1980, 4:43 am GMT+8 | 22 Dec 1980, 2:08 am GMT+8 | 21 hr 25 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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