Tritiya (तृतीया) dates and timings in Perth for 2078
Verified astronomical start and end times for lunar day 18 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 | 31 Dec 2077, 5:06 pm GMT+8 | 1 Jan 2078, 5:10 pm GMT+8 | 24 hr 4 min | Yes |
| 2 | 30 Jan 2078, 10:43 am GMT+8 | 31 Jan 2078, 12:06 pm GMT+8 | 25 hr 24 min | Yes |
| 3 | 1 Mar 2078, 5:29 am GMT+8 | 2 Mar 2078, 7:51 am GMT+8 | 26 hr 23 min | Yes |
| 4 | 31 Mar 2078, 12:09 am GMT+8 | 1 Apr 2078, 2:48 am GMT+8 | 26 hr 39 min | Yes |
| 5 | 29 Apr 2078, 5:14 pm GMT+8 | 30 Apr 2078, 7:20 pm GMT+8 | 26 hr 6 min | Yes |
| 6 | 29 May 2078, 7:35 am GMT+8 | 30 May 2078, 8:32 am GMT+8 | 24 hr 57 min | Yes |
| 7 | 27 Jun 2078, 6:57 pm GMT+8 | 28 Jun 2078, 6:33 pm GMT+8 | 23 hr 36 min | Yes |
| 8 | 27 Jul 2078, 3:55 am GMT+8 | 28 Jul 2078, 2:17 am GMT+8 | 22 hr 22 min | Yes |
| 9 | 25 Aug 2078, 11:36 am GMT+8 | 26 Aug 2078, 9:01 am GMT+8 | 21 hr 25 min | Yes |
| 10 | 23 Sept 2078, 7:12 pm GMT+8 | 24 Sept 2078, 4:00 pm GMT+8 | 20 hr 49 min | Yes |
| 11 | 23 Oct 2078, 3:39 am GMT+8 | 24 Oct 2078, 12:14 am GMT+8 | 20 hr 34 min | Yes |
| 12 | 21 Nov 2078, 1:33 pm GMT+8 | 22 Nov 2078, 10:20 am GMT+8 | 20 hr 47 min | Yes |
| 13 | 21 Dec 2078, 1:12 am GMT+8 | 21 Dec 2078, 10:43 pm GMT+8 | 21 hr 31 min | No |
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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