Pratipada (प्रतिपदा) dates and timings in Perth for 1971
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 | 27 Jan 1971, 6:55 am GMT+8 | 28 Jan 1971, 3:42 am GMT+8 | 20 hr 47 min | Yes |
| 2 | 25 Feb 1971, 5:48 pm GMT+8 | 26 Feb 1971, 2:05 pm GMT+8 | 20 hr 17 min | Yes |
| 3 | 27 Mar 1971, 3:23 am GMT+8 | 27 Mar 1971, 11:38 pm GMT+8 | 20 hr 15 min | No |
| 4 | 25 Apr 1971, 12:01 pm GMT+8 | 26 Apr 1971, 8:48 am GMT+8 | 20 hr 47 min | Yes |
| 5 | 24 May 1971, 8:31 pm GMT+8 | 25 May 1971, 6:20 pm GMT+8 | 21 hr 49 min | Yes |
| 6 | 23 Jun 1971, 5:57 am GMT+8 | 24 Jun 1971, 5:10 am GMT+8 | 23 hr 13 min | Yes |
| 7 | 22 Jul 1971, 5:14 pm GMT+8 | 23 Jul 1971, 5:56 pm GMT+8 | 24 hr 42 min | Yes |
| 8 | 21 Aug 1971, 6:53 am GMT+8 | 22 Aug 1971, 8:45 am GMT+8 | 25 hr 52 min | Yes |
| 9 | 19 Sept 1971, 10:42 pm GMT+8 | 21 Sept 1971, 1:10 am GMT+8 | 26 hr 28 min | Yes |
| 10 | 19 Oct 1971, 3:58 pm GMT+8 | 20 Oct 1971, 6:21 pm GMT+8 | 26 hr 22 min | Yes |
| 11 | 18 Nov 1971, 9:45 am GMT+8 | 19 Nov 1971, 11:25 am GMT+8 | 25 hr 39 min | Yes |
| 12 | 18 Dec 1971, 3:02 am GMT+8 | 19 Dec 1971, 3:30 am GMT+8 | 24 hr 28 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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