Dwitiya (द्वितीया) dates and timings in Perth for 1909
Verified astronomical start and end times for lunar day 17 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 | 7 Jan 1909, 11:31 pm GMT+8 | 9 Jan 1909, 1:16 am GMT+8 | 25 hr 45 min | Yes |
| 2 | 6 Feb 1909, 6:38 pm GMT+8 | 7 Feb 1909, 9:03 pm GMT+8 | 26 hr 25 min | Yes |
| 3 | 8 Mar 1909, 1:23 pm GMT+8 | 9 Mar 1909, 3:48 pm GMT+8 | 26 hr 25 min | Yes |
| 4 | 7 Apr 1909, 6:31 am GMT+8 | 8 Apr 1909, 8:18 am GMT+8 | 25 hr 47 min | Yes |
| 5 | 6 May 1909, 9:12 pm GMT+8 | 7 May 1909, 9:51 pm GMT+8 | 24 hr 40 min | Yes |
| 6 | 5 Jun 1909, 9:08 am GMT+8 | 6 Jun 1909, 8:25 am GMT+8 | 23 hr 17 min | Yes |
| 7 | 4 Jul 1909, 6:35 pm GMT+8 | 5 Jul 1909, 4:30 pm GMT+8 | 21 hr 55 min | Yes |
| 8 | 3 Aug 1909, 2:18 am GMT+8 | 3 Aug 1909, 11:09 pm GMT+8 | 20 hr 51 min | No |
| 9 | 1 Sept 1909, 9:25 am GMT+8 | 2 Sept 1909, 5:42 am GMT+8 | 20 hr 17 min | Yes |
| 10 | 30 Sept 1909, 5:10 pm GMT+8 | 1 Oct 1909, 1:26 pm GMT+8 | 20 hr 16 min | Yes |
| 11 | 30 Oct 1909, 2:34 am GMT+8 | 30 Oct 1909, 11:22 pm GMT+8 | 20 hr 48 min | No |
| 12 | 28 Nov 1909, 2:10 pm GMT+8 | 29 Nov 1909, 11:57 am GMT+8 | 21 hr 47 min | Yes |
| 13 | 28 Dec 1909, 4:01 am GMT+8 | 29 Dec 1909, 3:04 am GMT+8 | 23 hr 3 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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