Pratipada (प्रतिपदा) dates and timings in Perth for 1997
Verified astronomical start and end times for lunar day 16 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 | 23 Jan 1997, 11:10 pm GMT+8 | 25 Jan 1997, 1:37 am GMT+8 | 26 hr 27 min | Yes |
| 2 | 22 Feb 1997, 6:26 pm GMT+8 | 23 Feb 1997, 9:03 pm GMT+8 | 26 hr 36 min | Yes |
| 3 | 24 Mar 1997, 12:45 pm GMT+8 | 25 Mar 1997, 2:38 pm GMT+8 | 25 hr 53 min | Yes |
| 4 | 23 Apr 1997, 4:33 am GMT+8 | 24 Apr 1997, 5:06 am GMT+8 | 24 hr 33 min | Yes |
| 5 | 22 May 1997, 5:13 pm GMT+8 | 23 May 1997, 4:16 pm GMT+8 | 23 hr 3 min | Yes |
| 6 | 21 Jun 1997, 3:08 am GMT+8 | 22 Jun 1997, 12:53 am GMT+8 | 21 hr 45 min | Yes |
| 7 | 20 Jul 1997, 11:20 am GMT+8 | 21 Jul 1997, 8:09 am GMT+8 | 20 hr 49 min | Yes |
| 8 | 18 Aug 1997, 6:55 pm GMT+8 | 19 Aug 1997, 3:14 pm GMT+8 | 20 hr 19 min | Yes |
| 9 | 17 Sept 1997, 2:50 am GMT+8 | 17 Sept 1997, 11:05 pm GMT+8 | 20 hr 15 min | No |
| 10 | 16 Oct 1997, 11:45 am GMT+8 | 17 Oct 1997, 8:23 am GMT+8 | 20 hr 38 min | Yes |
| 11 | 14 Nov 1997, 10:11 pm GMT+8 | 15 Nov 1997, 7:42 pm GMT+8 | 21 hr 30 min | Yes |
| 12 | 14 Dec 1997, 10:37 am GMT+8 | 15 Dec 1997, 9:27 am GMT+8 | 22 hr 51 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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