Purnima (पूर्णिमा) dates and timings in Perth for 1911
Verified astronomical start and end times for lunar day 15 in Perth, shown in Australia/Perth.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 14 Jan 1911, 9:28 am GMT+8 | 15 Jan 1911, 6:25 am GMT+8 | 20 hr 57 min | Yes |
| 2 | 12 Feb 1911, 8:33 pm GMT+8 | 13 Feb 1911, 6:37 pm GMT+8 | 22 hr 3 min | Yes |
| 3 | 14 Mar 1911, 8:27 am GMT+8 | 15 Mar 1911, 7:58 am GMT+8 | 23 hr 31 min | Yes |
| 4 | 12 Apr 1911, 9:36 pm GMT+8 | 13 Apr 1911, 10:36 pm GMT+8 | 25 hr 0 min | Yes |
| 5 | 12 May 1911, 12:04 pm GMT+8 | 13 May 1911, 2:09 pm GMT+8 | 26 hr 5 min | Yes |
| 6 | 11 Jun 1911, 3:21 am GMT+8 | 12 Jun 1911, 5:50 am GMT+8 | 26 hr 29 min | Yes |
| 7 | 10 Jul 1911, 6:43 pm GMT+8 | 11 Jul 1911, 8:53 pm GMT+8 | 26 hr 10 min | Yes |
| 8 | 9 Aug 1911, 9:37 am GMT+8 | 10 Aug 1911, 10:54 am GMT+8 | 25 hr 17 min | Yes |
| 9 | 7 Sept 1911, 11:50 pm GMT+8 | 8 Sept 1911, 11:56 pm GMT+8 | 24 hr 6 min | Yes |
| 10 | 7 Oct 1911, 1:23 pm GMT+8 | 8 Oct 1911, 12:10 pm GMT+8 | 22 hr 47 min | Yes |
| 11 | 6 Nov 1911, 2:16 am GMT+8 | 6 Nov 1911, 11:47 pm GMT+8 | 21 hr 32 min | No |
| 12 | 5 Dec 1911, 2:18 pm GMT+8 | 6 Dec 1911, 10:51 am GMT+8 | 20 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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