Tritiya (तृतीया) dates and timings in Perth for 1998
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 | 15 Jan 1998, 2:51 am GMT+8 | 16 Jan 1998, 4:27 am GMT+8 | 25 hr 37 min | Yes |
| 2 | 13 Feb 1998, 10:25 pm GMT+8 | 15 Feb 1998, 12:55 am GMT+8 | 26 hr 30 min | Yes |
| 3 | 15 Mar 1998, 5:44 pm GMT+8 | 16 Mar 1998, 8:17 pm GMT+8 | 26 hr 34 min | Yes |
| 4 | 14 Apr 1998, 10:59 am GMT+8 | 15 Apr 1998, 12:54 pm GMT+8 | 25 hr 54 min | Yes |
| 5 | 14 May 1998, 1:18 am GMT+8 | 15 May 1998, 2:09 am GMT+8 | 24 hr 50 min | Yes |
| 6 | 12 Jun 1998, 12:44 pm GMT+8 | 13 Jun 1998, 12:22 pm GMT+8 | 23 hr 38 min | Yes |
| 7 | 11 Jul 1998, 9:55 pm GMT+8 | 12 Jul 1998, 8:22 pm GMT+8 | 22 hr 28 min | Yes |
| 8 | 10 Aug 1998, 5:41 am GMT+8 | 11 Aug 1998, 3:06 am GMT+8 | 21 hr 26 min | Yes |
| 9 | 8 Sept 1998, 12:56 pm GMT+8 | 9 Sept 1998, 9:38 am GMT+8 | 20 hr 41 min | Yes |
| 10 | 7 Oct 1998, 8:38 pm GMT+8 | 8 Oct 1998, 5:02 pm GMT+8 | 20 hr 24 min | Yes |
| 11 | 6 Nov 1998, 5:41 am GMT+8 | 7 Nov 1998, 2:24 am GMT+8 | 20 hr 43 min | Yes |
| 12 | 5 Dec 1998, 4:57 pm GMT+8 | 6 Dec 1998, 2:34 pm GMT+8 | 21 hr 37 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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