Trayodashi (त्रयोदशी) dates and timings in Perth for 1998
Verified astronomical start and end times for lunar day 13 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 | 10 Jan 1998, 3:02 am GMT+8 | 11 Jan 1998, 2:04 am GMT+8 | 23 hr 2 min | Yes |
| 2 | 8 Feb 1998, 3:33 pm GMT+8 | 9 Feb 1998, 4:02 pm GMT+8 | 24 hr 29 min | Yes |
| 3 | 10 Mar 1998, 6:16 am GMT+8 | 11 Mar 1998, 8:03 am GMT+8 | 25 hr 47 min | Yes |
| 4 | 8 Apr 1998, 10:42 pm GMT+8 | 10 Apr 1998, 1:13 am GMT+8 | 26 hr 32 min | Yes |
| 5 | 8 May 1998, 3:46 pm GMT+8 | 9 May 1998, 6:16 pm GMT+8 | 26 hr 30 min | Yes |
| 6 | 7 Jun 1998, 8:17 am GMT+8 | 8 Jun 1998, 10:05 am GMT+8 | 25 hr 48 min | Yes |
| 7 | 6 Jul 1998, 11:35 pm GMT+8 | 8 Jul 1998, 12:17 am GMT+8 | 24 hr 42 min | Yes |
| 8 | 5 Aug 1998, 1:31 pm GMT+8 | 6 Aug 1998, 12:59 pm GMT+8 | 23 hr 27 min | Yes |
| 9 | 4 Sept 1998, 2:12 am GMT+8 | 5 Sept 1998, 12:28 am GMT+8 | 22 hr 16 min | Yes |
| 10 | 3 Oct 1998, 1:48 pm GMT+8 | 4 Oct 1998, 11:03 am GMT+8 | 21 hr 15 min | Yes |
| 11 | 2 Nov 1998, 12:23 am GMT+8 | 2 Nov 1998, 8:59 pm GMT+8 | 20 hr 36 min | No |
| 12 | 1 Dec 1998, 10:09 am GMT+8 | 2 Dec 1998, 6:37 am GMT+8 | 20 hr 28 min | Yes |
| 13 | 30 Dec 1998, 7:31 pm GMT+8 | 31 Dec 1998, 4:28 pm GMT+8 | 20 hr 57 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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