Pratipada (प्रतिपदा) dates and timings in Perth for 2091
Verified astronomical start and end times for lunar day 1 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 | 20 Jan 2091, 12:32 am GMT+8 | 21 Jan 2091, 1:09 am GMT+8 | 24 hr 37 min | Yes |
| 2 | 18 Feb 2091, 5:39 pm GMT+8 | 19 Feb 2091, 7:37 pm GMT+8 | 25 hr 58 min | Yes |
| 3 | 20 Mar 2091, 11:47 am GMT+8 | 21 Mar 2091, 2:22 pm GMT+8 | 26 hr 35 min | Yes |
| 4 | 19 Apr 2091, 5:21 am GMT+8 | 20 Apr 2091, 7:43 am GMT+8 | 26 hr 23 min | Yes |
| 5 | 18 May 2091, 9:08 pm GMT+8 | 19 May 2091, 10:40 pm GMT+8 | 25 hr 32 min | Yes |
| 6 | 17 Jun 2091, 10:42 am GMT+8 | 18 Jun 2091, 11:03 am GMT+8 | 24 hr 21 min | Yes |
| 7 | 16 Jul 2091, 10:16 pm GMT+8 | 17 Jul 2091, 9:21 pm GMT+8 | 23 hr 4 min | Yes |
| 8 | 15 Aug 2091, 8:23 am GMT+8 | 16 Aug 2091, 6:13 am GMT+8 | 21 hr 51 min | Yes |
| 9 | 13 Sept 2091, 5:35 pm GMT+8 | 14 Sept 2091, 2:25 pm GMT+8 | 20 hr 49 min | Yes |
| 10 | 13 Oct 2091, 2:30 am GMT+8 | 13 Oct 2091, 10:41 pm GMT+8 | 20 hr 12 min | No |
| 11 | 11 Nov 2091, 11:43 am GMT+8 | 12 Nov 2091, 7:51 am GMT+8 | 20 hr 8 min | Yes |
| 12 | 10 Dec 2091, 9:55 pm GMT+8 | 11 Dec 2091, 6:38 pm GMT+8 | 20 hr 43 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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