Pratipada (प्रतिपदा) dates and timings in Perth for 1971
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 | 11 Jan 1971, 9:20 pm GMT+8 | 12 Jan 1971, 10:43 pm GMT+8 | 25 hr 23 min | Yes |
| 2 | 10 Feb 1971, 3:41 pm GMT+8 | 11 Feb 1971, 6:06 pm GMT+8 | 26 hr 25 min | Yes |
| 3 | 12 Mar 1971, 10:33 am GMT+8 | 13 Mar 1971, 1:09 pm GMT+8 | 26 hr 36 min | Yes |
| 4 | 11 Apr 1971, 4:09 am GMT+8 | 12 Apr 1971, 6:07 am GMT+8 | 25 hr 58 min | Yes |
| 5 | 10 May 1971, 7:23 pm GMT+8 | 11 May 1971, 8:13 pm GMT+8 | 24 hr 50 min | Yes |
| 6 | 9 Jun 1971, 8:03 am GMT+8 | 10 Jun 1971, 7:35 am GMT+8 | 23 hr 32 min | Yes |
| 7 | 8 Jul 1971, 6:36 pm GMT+8 | 9 Jul 1971, 4:53 pm GMT+8 | 22 hr 17 min | Yes |
| 8 | 7 Aug 1971, 3:42 am GMT+8 | 8 Aug 1971, 12:53 am GMT+8 | 21 hr 11 min | Yes |
| 9 | 5 Sept 1971, 12:02 pm GMT+8 | 6 Sept 1971, 8:26 am GMT+8 | 20 hr 24 min | Yes |
| 10 | 4 Oct 1971, 8:19 pm GMT+8 | 5 Oct 1971, 4:23 pm GMT+8 | 20 hr 4 min | Yes |
| 11 | 3 Nov 1971, 5:19 am GMT+8 | 4 Nov 1971, 1:40 am GMT+8 | 20 hr 21 min | Yes |
| 12 | 2 Dec 1971, 3:48 pm GMT+8 | 3 Dec 1971, 1:03 pm GMT+8 | 21 hr 15 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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