Chaturthi (चतुर्थी) dates and timings in Perth for 1900
Verified astronomical start and end times for lunar day 4 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 | 4 Jan 1900, 12:57 pm GMT+8 | 5 Jan 1900, 9:55 am GMT+8 | 20 hr 58 min | Yes |
| 2 | 2 Feb 1900, 10:27 pm GMT+8 | 3 Feb 1900, 7:13 pm GMT+8 | 20 hr 46 min | Yes |
| 3 | 4 Mar 1900, 8:22 am GMT+8 | 5 Mar 1900, 5:32 am GMT+8 | 21 hr 10 min | Yes |
| 4 | 2 Apr 1900, 7:11 pm GMT+8 | 3 Apr 1900, 5:15 pm GMT+8 | 22 hr 5 min | Yes |
| 5 | 2 May 1900, 7:12 am GMT+8 | 3 May 1900, 6:27 am GMT+8 | 23 hr 16 min | Yes |
| 6 | 31 May 1900, 8:29 pm GMT+8 | 1 Jun 1900, 8:57 pm GMT+8 | 24 hr 29 min | Yes |
| 7 | 30 Jun 1900, 10:57 am GMT+8 | 1 Jul 1900, 12:28 pm GMT+8 | 25 hr 32 min | Yes |
| 8 | 30 Jul 1900, 2:28 am GMT+8 | 31 Jul 1900, 4:44 am GMT+8 | 26 hr 16 min | Yes |
| 9 | 28 Aug 1900, 6:48 pm GMT+8 | 29 Aug 1900, 9:19 pm GMT+8 | 26 hr 32 min | Yes |
| 10 | 27 Sept 1900, 11:23 am GMT+8 | 28 Sept 1900, 1:33 pm GMT+8 | 26 hr 10 min | Yes |
| 11 | 27 Oct 1900, 3:18 am GMT+8 | 28 Oct 1900, 4:31 am GMT+8 | 25 hr 12 min | Yes |
| 12 | 25 Nov 1900, 5:37 pm GMT+8 | 26 Nov 1900, 5:29 pm GMT+8 | 23 hr 52 min | Yes |
| 13 | 25 Dec 1900, 5:49 am GMT+8 | 26 Dec 1900, 4:21 am GMT+8 | 22 hr 32 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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