Tritiya (तृतीया) dates and timings in Perth for 2028
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 | 14 Jan 2028, 5:09 am GMT+8 | 15 Jan 2028, 1:47 am GMT+8 | 20 hr 38 min | Yes |
| 2 | 12 Feb 2028, 3:34 pm GMT+8 | 13 Feb 2028, 12:10 pm GMT+8 | 20 hr 35 min | Yes |
| 3 | 13 Mar 2028, 2:04 am GMT+8 | 13 Mar 2028, 11:09 pm GMT+8 | 21 hr 5 min | No |
| 4 | 11 Apr 2028, 12:59 pm GMT+8 | 12 Apr 2028, 11:06 am GMT+8 | 22 hr 8 min | Yes |
| 5 | 11 May 2028, 12:51 am GMT+8 | 12 May 2028, 12:22 am GMT+8 | 23 hr 31 min | Yes |
| 6 | 9 Jun 2028, 2:07 pm GMT+8 | 10 Jun 2028, 3:02 pm GMT+8 | 24 hr 55 min | Yes |
| 7 | 9 Jul 2028, 4:50 am GMT+8 | 10 Jul 2028, 6:48 am GMT+8 | 25 hr 58 min | Yes |
| 8 | 7 Aug 2028, 8:34 pm GMT+8 | 8 Aug 2028, 11:00 pm GMT+8 | 26 hr 26 min | Yes |
| 9 | 6 Sept 2028, 12:39 pm GMT+8 | 7 Sept 2028, 2:56 pm GMT+8 | 26 hr 17 min | Yes |
| 10 | 6 Oct 2028, 4:28 am GMT+8 | 7 Oct 2028, 6:05 am GMT+8 | 25 hr 37 min | Yes |
| 11 | 4 Nov 2028, 7:30 pm GMT+8 | 5 Nov 2028, 8:03 pm GMT+8 | 24 hr 33 min | Yes |
| 12 | 4 Dec 2028, 9:18 am GMT+8 | 5 Dec 2028, 8:34 am GMT+8 | 23 hr 15 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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