Pratipada (प्रतिपदा) dates and timings in Perth for 2081
Verified astronomical start and end times for lunar day 1 in Perth, shown in Australia/Perth.
13 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 10 Jan 2081, 9:03 am GMT+8 | 11 Jan 2081, 11:16 am GMT+8 | 26 hr 14 min | Yes |
| 2 | 9 Feb 2081, 4:18 am GMT+8 | 10 Feb 2081, 6:59 am GMT+8 | 26 hr 41 min | Yes |
| 3 | 10 Mar 2081, 11:17 pm GMT+8 | 12 Mar 2081, 1:33 am GMT+8 | 26 hr 16 min | Yes |
| 4 | 9 Apr 2081, 4:15 pm GMT+8 | 10 Apr 2081, 5:21 pm GMT+8 | 25 hr 6 min | Yes |
| 5 | 9 May 2081, 6:09 am GMT+8 | 10 May 2081, 5:45 am GMT+8 | 23 hr 36 min | Yes |
| 6 | 7 Jun 2081, 5:02 pm GMT+8 | 8 Jun 2081, 3:14 pm GMT+8 | 22 hr 12 min | Yes |
| 7 | 7 Jul 2081, 1:45 am GMT+8 | 7 Jul 2081, 10:52 pm GMT+8 | 21 hr 8 min | No |
| 8 | 5 Aug 2081, 9:24 am GMT+8 | 6 Aug 2081, 5:53 am GMT+8 | 20 hr 29 min | Yes |
| 9 | 3 Sept 2081, 5:02 pm GMT+8 | 4 Sept 2081, 1:17 pm GMT+8 | 20 hr 15 min | Yes |
| 10 | 3 Oct 2081, 1:24 am GMT+8 | 3 Oct 2081, 9:52 pm GMT+8 | 20 hr 28 min | No |
| 11 | 1 Nov 2081, 11:05 am GMT+8 | 2 Nov 2081, 8:14 am GMT+8 | 21 hr 10 min | Yes |
| 12 | 30 Nov 2081, 10:37 pm GMT+8 | 1 Dec 2081, 8:58 pm GMT+8 | 22 hr 21 min | Yes |
| 13 | 30 Dec 2081, 12:29 pm GMT+8 | 31 Dec 2081, 12:23 pm GMT+8 | 23 hr 54 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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