Chaturthi (चतुर्थी) dates and timings in Adelaide for 1986
Verified astronomical start and end times for lunar day 4 in Adelaide, shown in Australia/Adelaide.
12 occurrences found. Each end time is exclusive: the next Tithi begins at that instant.
| # | Starts | Ends | Duration | Crosses midnight |
|---|---|---|---|---|
| 1 | 13 Jan 1986, 4:58 pm GMT+10:30 | 14 Jan 1986, 4:23 pm GMT+10:30 | 23 hr 25 min | Yes |
| 2 | 12 Feb 1986, 9:51 am GMT+10:30 | 13 Feb 1986, 10:44 am GMT+10:30 | 24 hr 54 min | Yes |
| 3 | 14 Mar 1986, 4:18 am GMT+10:30 | 15 Mar 1986, 6:22 am GMT+10:30 | 26 hr 4 min | Yes |
| 4 | 12 Apr 1986, 9:54 pm GMT+9:30 | 14 Apr 1986, 12:28 am GMT+9:30 | 26 hr 34 min | Yes |
| 5 | 12 May 1986, 3:09 pm GMT+9:30 | 13 May 1986, 5:30 pm GMT+9:30 | 26 hr 21 min | Yes |
| 6 | 11 Jun 1986, 6:06 am GMT+9:30 | 12 Jun 1986, 7:43 am GMT+9:30 | 25 hr 37 min | Yes |
| 7 | 10 Jul 1986, 6:33 pm GMT+9:30 | 11 Jul 1986, 7:11 pm GMT+9:30 | 24 hr 37 min | Yes |
| 8 | 9 Aug 1986, 4:53 am GMT+9:30 | 10 Aug 1986, 4:24 am GMT+9:30 | 23 hr 31 min | Yes |
| 9 | 7 Sept 1986, 1:45 pm GMT+9:30 | 8 Sept 1986, 12:10 pm GMT+9:30 | 22 hr 25 min | Yes |
| 10 | 6 Oct 1986, 9:52 pm GMT+9:30 | 7 Oct 1986, 7:21 pm GMT+9:30 | 21 hr 28 min | Yes |
| 11 | 5 Nov 1986, 7:04 am GMT+10:30 | 6 Nov 1986, 3:56 am GMT+10:30 | 20 hr 52 min | Yes |
| 12 | 4 Dec 1986, 4:08 pm GMT+10:30 | 5 Dec 1986, 12:56 pm GMT+10:30 | 20 hr 48 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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