Dwadashi (द्वादशी) dates and timings in Perth for 2099
Verified astronomical start and end times for lunar day 27 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 | 17 Jan 2099, 12:12 pm GMT+8 | 18 Jan 2099, 12:51 pm GMT+8 | 24 hr 40 min | Yes |
| 2 | 16 Feb 2099, 3:18 am GMT+8 | 17 Feb 2099, 5:03 am GMT+8 | 25 hr 45 min | Yes |
| 3 | 17 Mar 2099, 8:26 pm GMT+8 | 18 Mar 2099, 10:56 pm GMT+8 | 26 hr 30 min | Yes |
| 4 | 16 Apr 2099, 2:40 pm GMT+8 | 17 Apr 2099, 5:18 pm GMT+8 | 26 hr 37 min | Yes |
| 5 | 16 May 2099, 8:38 am GMT+8 | 17 May 2099, 10:38 am GMT+8 | 26 hr 0 min | Yes |
| 6 | 15 Jun 2099, 1:03 am GMT+8 | 16 Jun 2099, 1:51 am GMT+8 | 24 hr 48 min | Yes |
| 7 | 14 Jul 2099, 3:15 pm GMT+8 | 15 Jul 2099, 2:41 pm GMT+8 | 23 hr 26 min | Yes |
| 8 | 13 Aug 2099, 3:18 am GMT+8 | 14 Aug 2099, 1:32 am GMT+8 | 22 hr 14 min | Yes |
| 9 | 11 Sept 2099, 1:46 pm GMT+8 | 12 Sept 2099, 11:10 am GMT+8 | 21 hr 24 min | Yes |
| 10 | 10 Oct 2099, 11:15 pm GMT+8 | 11 Oct 2099, 8:14 pm GMT+8 | 20 hr 59 min | Yes |
| 11 | 9 Nov 2099, 8:13 am GMT+8 | 10 Nov 2099, 5:13 am GMT+8 | 20 hr 59 min | Yes |
| 12 | 8 Dec 2099, 5:03 pm GMT+8 | 9 Dec 2099, 2:28 pm GMT+8 | 21 hr 24 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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