Tritiya (तृतीया) dates and timings in Perth for 2009
Verified astronomical start and end times for lunar day 18 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 | 13 Jan 2009, 5:44 am GMT+9 | 14 Jan 2009, 3:02 am GMT+9 | 21 hr 18 min | Yes |
| 2 | 11 Feb 2009, 6:48 pm GMT+9 | 12 Feb 2009, 5:05 pm GMT+9 | 22 hr 18 min | Yes |
| 3 | 13 Mar 2009, 8:56 am GMT+9 | 14 Mar 2009, 8:29 am GMT+9 | 23 hr 33 min | Yes |
| 4 | 11 Apr 2009, 10:56 pm GMT+8 | 12 Apr 2009, 11:49 pm GMT+8 | 24 hr 53 min | Yes |
| 5 | 11 May 2009, 2:38 pm GMT+8 | 12 May 2009, 4:38 pm GMT+8 | 26 hr 0 min | Yes |
| 6 | 10 Jun 2009, 6:42 am GMT+8 | 11 Jun 2009, 9:16 am GMT+8 | 26 hr 34 min | Yes |
| 7 | 9 Jul 2009, 10:26 pm GMT+8 | 11 Jul 2009, 12:48 am GMT+8 | 26 hr 22 min | Yes |
| 8 | 8 Aug 2009, 1:00 pm GMT+8 | 9 Aug 2009, 2:29 pm GMT+8 | 25 hr 30 min | Yes |
| 9 | 7 Sept 2009, 1:54 am GMT+8 | 8 Sept 2009, 2:10 am GMT+8 | 24 hr 15 min | Yes |
| 10 | 6 Oct 2009, 1:17 pm GMT+8 | 7 Oct 2009, 12:16 pm GMT+8 | 22 hr 59 min | Yes |
| 11 | 4 Nov 2009, 11:42 pm GMT+8 | 5 Nov 2009, 9:35 pm GMT+8 | 21 hr 53 min | Yes |
| 12 | 4 Dec 2009, 9:53 am GMT+8 | 5 Dec 2009, 6:57 am GMT+8 | 21 hr 4 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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