Tritiya (तृतीया) dates and timings in Perth for 1918
Verified astronomical start and end times for lunar day 3 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 | 15 Jan 1918, 12:57 am GMT+8 | 15 Jan 1918, 9:55 pm GMT+8 | 20 hr 58 min | No |
| 2 | 13 Feb 1918, 10:47 am GMT+8 | 14 Feb 1918, 7:15 am GMT+8 | 20 hr 28 min | Yes |
| 3 | 14 Mar 1918, 8:09 pm GMT+8 | 15 Mar 1918, 4:44 pm GMT+8 | 20 hr 35 min | Yes |
| 4 | 13 Apr 1918, 5:42 am GMT+8 | 14 Apr 1918, 2:59 am GMT+8 | 21 hr 17 min | Yes |
| 5 | 12 May 1918, 4:01 pm GMT+8 | 13 May 1918, 2:24 pm GMT+8 | 22 hr 23 min | Yes |
| 6 | 11 Jun 1918, 3:32 am GMT+8 | 12 Jun 1918, 3:11 am GMT+8 | 23 hr 39 min | Yes |
| 7 | 10 Jul 1918, 4:30 pm GMT+8 | 11 Jul 1918, 5:22 pm GMT+8 | 24 hr 53 min | Yes |
| 8 | 9 Aug 1918, 7:01 am GMT+8 | 10 Aug 1918, 8:54 am GMT+8 | 25 hr 53 min | Yes |
| 9 | 7 Sept 1918, 11:02 pm GMT+8 | 9 Sept 1918, 1:31 am GMT+8 | 26 hr 29 min | Yes |
| 10 | 7 Oct 1918, 4:09 pm GMT+8 | 8 Oct 1918, 6:38 pm GMT+8 | 26 hr 29 min | Yes |
| 11 | 6 Nov 1918, 9:26 am GMT+8 | 7 Nov 1918, 11:12 am GMT+8 | 25 hr 46 min | Yes |
| 12 | 6 Dec 1918, 1:35 am GMT+8 | 7 Dec 1918, 2:03 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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