Chaturthi (चतुर्थी) dates and timings in Perth for 1921
Verified astronomical start and end times for lunar day 19 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 | 26 Jan 1921, 8:37 pm GMT+8 | 27 Jan 1921, 6:10 pm GMT+8 | 21 hr 33 min | Yes |
| 2 | 25 Feb 1921, 9:36 am GMT+8 | 26 Feb 1921, 8:16 am GMT+8 | 22 hr 40 min | Yes |
| 3 | 27 Mar 1921, 12:08 am GMT+8 | 28 Mar 1921, 12:06 am GMT+8 | 23 hr 58 min | Yes |
| 4 | 25 Apr 1921, 3:43 pm GMT+8 | 26 Apr 1921, 4:51 pm GMT+8 | 25 hr 8 min | Yes |
| 5 | 25 May 1921, 7:44 am GMT+8 | 26 May 1921, 9:43 am GMT+8 | 25 hr 59 min | Yes |
| 6 | 23 Jun 1921, 11:42 pm GMT+8 | 25 Jun 1921, 2:07 am GMT+8 | 26 hr 24 min | Yes |
| 7 | 23 Jul 1921, 3:15 pm GMT+8 | 24 Jul 1921, 5:33 pm GMT+8 | 26 hr 17 min | Yes |
| 8 | 22 Aug 1921, 5:56 am GMT+8 | 23 Aug 1921, 7:32 am GMT+8 | 25 hr 36 min | Yes |
| 9 | 20 Sept 1921, 7:16 pm GMT+8 | 21 Sept 1921, 7:44 pm GMT+8 | 24 hr 28 min | Yes |
| 10 | 20 Oct 1921, 6:58 am GMT+8 | 21 Oct 1921, 6:07 am GMT+8 | 23 hr 8 min | Yes |
| 11 | 18 Nov 1921, 5:14 pm GMT+8 | 19 Nov 1921, 3:12 pm GMT+8 | 21 hr 58 min | Yes |
| 12 | 18 Dec 1921, 2:43 am GMT+8 | 18 Dec 1921, 11:54 pm GMT+8 | 21 hr 10 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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