Purnima (पूर्णिमा) dates and timings in Perth for 2091
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 | 5 Jan 2091, 1:02 am GMT+8 | 5 Jan 2091, 11:51 pm GMT+8 | 22 hr 49 min | No |
| 2 | 3 Feb 2091, 3:13 pm GMT+8 | 4 Feb 2091, 12:47 pm GMT+8 | 21 hr 34 min | Yes |
| 3 | 5 Mar 2091, 3:19 am GMT+8 | 6 Mar 2091, 12:00 am GMT+8 | 20 hr 40 min | Yes |
| 4 | 3 Apr 2091, 1:20 pm GMT+8 | 4 Apr 2091, 9:32 am GMT+8 | 20 hr 12 min | Yes |
| 5 | 2 May 2091, 9:33 pm GMT+8 | 3 May 2091, 5:47 pm GMT+8 | 20 hr 14 min | Yes |
| 6 | 1 Jun 2091, 4:44 am GMT+8 | 2 Jun 2091, 1:32 am GMT+8 | 20 hr 48 min | Yes |
| 7 | 30 Jun 2091, 12:03 pm GMT+8 | 1 Jul 2091, 9:55 am GMT+8 | 21 hr 52 min | Yes |
| 8 | 29 Jul 2091, 8:45 pm GMT+8 | 30 Jul 2091, 8:02 pm GMT+8 | 23 hr 17 min | Yes |
| 9 | 28 Aug 2091, 7:55 am GMT+8 | 29 Aug 2091, 8:40 am GMT+8 | 24 hr 45 min | Yes |
| 10 | 26 Sept 2091, 10:02 pm GMT+8 | 27 Sept 2091, 11:57 pm GMT+8 | 25 hr 55 min | Yes |
| 11 | 26 Oct 2091, 2:50 pm GMT+8 | 27 Oct 2091, 5:19 pm GMT+8 | 26 hr 29 min | Yes |
| 12 | 25 Nov 2091, 9:24 am GMT+8 | 26 Nov 2091, 11:44 am GMT+8 | 26 hr 20 min | Yes |
| 13 | 25 Dec 2091, 4:27 am GMT+8 | 26 Dec 2091, 6:00 am GMT+8 | 25 hr 33 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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