Chaturthi (चतुर्थी) dates and timings in Perth for 1986
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 | 29 Jan 1986, 7:13 am GMT+8 | 30 Jan 1986, 6:09 am GMT+8 | 22 hr 55 min | Yes |
| 2 | 27 Feb 1986, 5:50 pm GMT+8 | 28 Feb 1986, 3:44 pm GMT+8 | 21 hr 53 min | Yes |
| 3 | 29 Mar 1986, 2:41 am GMT+8 | 29 Mar 1986, 11:49 pm GMT+8 | 21 hr 8 min | No |
| 4 | 27 Apr 1986, 10:21 am GMT+8 | 28 Apr 1986, 7:08 am GMT+8 | 20 hr 47 min | Yes |
| 5 | 26 May 1986, 5:36 pm GMT+8 | 27 May 1986, 2:31 pm GMT+8 | 20 hr 55 min | Yes |
| 6 | 25 Jun 1986, 1:25 am GMT+8 | 25 Jun 1986, 11:00 pm GMT+8 | 21 hr 35 min | No |
| 7 | 24 Jul 1986, 10:53 am GMT+8 | 25 Jul 1986, 9:36 am GMT+8 | 22 hr 43 min | Yes |
| 8 | 22 Aug 1986, 10:56 pm GMT+8 | 23 Aug 1986, 11:02 pm GMT+8 | 24 hr 6 min | Yes |
| 9 | 21 Sept 1986, 2:02 pm GMT+8 | 22 Sept 1986, 3:25 pm GMT+8 | 25 hr 23 min | Yes |
| 10 | 21 Oct 1986, 7:48 am GMT+8 | 22 Oct 1986, 10:04 am GMT+8 | 26 hr 16 min | Yes |
| 11 | 20 Nov 1986, 3:09 am GMT+8 | 21 Nov 1986, 5:42 am GMT+8 | 26 hr 34 min | Yes |
| 12 | 19 Dec 1986, 10:33 pm GMT+8 | 21 Dec 1986, 12:47 am GMT+8 | 26 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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