Chaturthi (चतुर्थी) dates and timings in Perth for 2011
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 | 7 Jan 2011, 8:45 pm GMT+8 | 8 Jan 2011, 10:53 pm GMT+8 | 26 hr 8 min | Yes |
| 2 | 6 Feb 2011, 5:02 pm GMT+8 | 7 Feb 2011, 7:35 pm GMT+8 | 26 hr 34 min | Yes |
| 3 | 8 Mar 2011, 12:14 pm GMT+8 | 9 Mar 2011, 2:36 pm GMT+8 | 26 hr 22 min | Yes |
| 4 | 7 Apr 2011, 5:01 am GMT+8 | 8 Apr 2011, 6:37 am GMT+8 | 25 hr 37 min | Yes |
| 5 | 6 May 2011, 6:37 pm GMT+8 | 7 May 2011, 7:03 pm GMT+8 | 24 hr 26 min | Yes |
| 6 | 5 Jun 2011, 4:57 am GMT+8 | 6 Jun 2011, 4:04 am GMT+8 | 23 hr 7 min | Yes |
| 7 | 4 Jul 2011, 12:37 pm GMT+8 | 5 Jul 2011, 10:33 am GMT+8 | 21 hr 56 min | Yes |
| 8 | 2 Aug 2011, 6:45 pm GMT+8 | 3 Aug 2011, 3:52 pm GMT+8 | 21 hr 7 min | Yes |
| 9 | 1 Sept 2011, 12:45 am GMT+8 | 1 Sept 2011, 9:32 pm GMT+8 | 20 hr 47 min | No |
| 10 | 30 Sept 2011, 8:03 am GMT+8 | 1 Oct 2011, 5:00 am GMT+8 | 20 hr 57 min | Yes |
| 11 | 29 Oct 2011, 5:42 pm GMT+8 | 30 Oct 2011, 3:17 pm GMT+8 | 21 hr 34 min | Yes |
| 12 | 28 Nov 2011, 6:15 am GMT+8 | 29 Nov 2011, 4:49 am GMT+8 | 22 hr 33 min | Yes |
| 13 | 27 Dec 2011, 9:36 pm GMT+8 | 28 Dec 2011, 9:23 pm GMT+8 | 23 hr 47 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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