Purnima (पूर्णिमा) dates and timings in Perth for 1997
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 | 22 Jan 1997, 8:58 pm GMT+8 | 23 Jan 1997, 11:10 pm GMT+8 | 26 hr 12 min | Yes |
| 2 | 21 Feb 1997, 3:48 pm GMT+8 | 22 Feb 1997, 6:26 pm GMT+8 | 26 hr 38 min | Yes |
| 3 | 23 Mar 1997, 10:31 am GMT+8 | 24 Mar 1997, 12:45 pm GMT+8 | 26 hr 14 min | Yes |
| 4 | 22 Apr 1997, 3:28 am GMT+8 | 23 Apr 1997, 4:33 am GMT+8 | 25 hr 5 min | Yes |
| 5 | 21 May 1997, 5:38 pm GMT+8 | 22 May 1997, 5:13 pm GMT+8 | 23 hr 35 min | Yes |
| 6 | 20 Jun 1997, 4:59 am GMT+8 | 21 Jun 1997, 3:08 am GMT+8 | 22 hr 10 min | Yes |
| 7 | 19 Jul 1997, 2:15 pm GMT+8 | 20 Jul 1997, 11:20 am GMT+8 | 21 hr 5 min | Yes |
| 8 | 17 Aug 1997, 10:29 pm GMT+8 | 18 Aug 1997, 6:55 pm GMT+8 | 20 hr 26 min | Yes |
| 9 | 16 Sept 1997, 6:36 am GMT+8 | 17 Sept 1997, 2:50 am GMT+8 | 20 hr 14 min | Yes |
| 10 | 15 Oct 1997, 3:17 pm GMT+8 | 16 Oct 1997, 11:45 am GMT+8 | 20 hr 28 min | Yes |
| 11 | 14 Nov 1997, 1:00 am GMT+8 | 14 Nov 1997, 10:11 pm GMT+8 | 21 hr 11 min | No |
| 12 | 13 Dec 1997, 12:15 pm GMT+8 | 14 Dec 1997, 10:37 am GMT+8 | 22 hr 22 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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