Chaturthi (चतुर्थी) dates and timings in Perth for 2021
Verified astronomical start and end times for lunar day 19 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 | 2 Jan 2021, 11:40 am GMT+8 | 3 Jan 2021, 10:52 am GMT+8 | 23 hr 13 min | Yes |
| 2 | 31 Jan 2021, 10:55 pm GMT+8 | 1 Feb 2021, 8:55 pm GMT+8 | 22 hr 0 min | Yes |
| 3 | 2 Mar 2021, 8:16 am GMT+8 | 3 Mar 2021, 5:29 am GMT+8 | 21 hr 13 min | Yes |
| 4 | 31 Mar 2021, 4:36 pm GMT+8 | 1 Apr 2021, 1:30 pm GMT+8 | 20 hr 54 min | Yes |
| 5 | 30 Apr 2021, 12:40 am GMT+8 | 30 Apr 2021, 9:40 pm GMT+8 | 21 hr 0 min | No |
| 6 | 29 May 2021, 9:04 am GMT+8 | 30 May 2021, 6:33 am GMT+8 | 21 hr 30 min | Yes |
| 7 | 27 Jun 2021, 6:24 pm GMT+8 | 28 Jun 2021, 4:46 pm GMT+8 | 22 hr 22 min | Yes |
| 8 | 27 Jul 2021, 5:24 am GMT+8 | 28 Jul 2021, 4:58 am GMT+8 | 23 hr 34 min | Yes |
| 9 | 25 Aug 2021, 6:49 pm GMT+8 | 26 Aug 2021, 7:44 pm GMT+8 | 24 hr 55 min | Yes |
| 10 | 24 Sept 2021, 11:00 am GMT+8 | 25 Sept 2021, 1:06 pm GMT+8 | 26 hr 6 min | Yes |
| 11 | 24 Oct 2021, 5:32 am GMT+8 | 25 Oct 2021, 8:13 am GMT+8 | 26 hr 42 min | Yes |
| 12 | 23 Nov 2021, 12:57 am GMT+8 | 24 Nov 2021, 3:26 am GMT+8 | 26 hr 29 min | Yes |
| 13 | 22 Dec 2021, 7:22 pm GMT+8 | 23 Dec 2021, 8:57 pm GMT+8 | 25 hr 35 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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