Pratipada (प्रतिपदा) dates and timings in Perth for 2011
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 | 20 Jan 2011, 5:21 am GMT+8 | 21 Jan 2011, 2:31 am GMT+8 | 21 hr 10 min | Yes |
| 2 | 18 Feb 2011, 4:35 pm GMT+8 | 19 Feb 2011, 12:53 pm GMT+8 | 20 hr 18 min | Yes |
| 3 | 20 Mar 2011, 2:10 am GMT+8 | 20 Mar 2011, 10:12 pm GMT+8 | 20 hr 3 min | No |
| 4 | 18 Apr 2011, 10:43 am GMT+8 | 19 Apr 2011, 7:09 am GMT+8 | 20 hr 26 min | Yes |
| 5 | 17 May 2011, 7:08 pm GMT+8 | 18 May 2011, 4:28 pm GMT+8 | 21 hr 20 min | Yes |
| 6 | 16 Jun 2011, 4:13 am GMT+8 | 17 Jun 2011, 2:47 am GMT+8 | 22 hr 34 min | Yes |
| 7 | 15 Jul 2011, 2:39 pm GMT+8 | 16 Jul 2011, 2:32 pm GMT+8 | 23 hr 53 min | Yes |
| 8 | 14 Aug 2011, 2:57 am GMT+8 | 15 Aug 2011, 4:04 am GMT+8 | 25 hr 7 min | Yes |
| 9 | 12 Sept 2011, 5:26 pm GMT+8 | 13 Sept 2011, 7:30 pm GMT+8 | 26 hr 4 min | Yes |
| 10 | 12 Oct 2011, 10:05 am GMT+8 | 13 Oct 2011, 12:37 pm GMT+8 | 26 hr 32 min | Yes |
| 11 | 11 Nov 2011, 4:16 am GMT+8 | 12 Nov 2011, 6:31 am GMT+8 | 26 hr 15 min | Yes |
| 12 | 10 Dec 2011, 10:36 pm GMT+8 | 11 Dec 2011, 11:48 pm GMT+8 | 25 hr 13 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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