Moonrise of Tuesday 2 October
Ṣaṣṭhī does not hold at moonrise. Not taken.
20:48 moonrise
19:3620:0020:2420:4821:1221:3622:00
Absent at moonrise
Ruling · Candra Ṣaṣṭhī · 2091
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 629 minutes.
One ghaṭī is 24 minutes. The moonrise is read as disc centre, 31′.
Moonrise of Tuesday 2 October
Ṣaṣṭhī does not hold at moonrise. Not taken.
Absent at moonrise
Moonrise of Wednesday 3 October
Taken. The only moonrise Ṣaṣṭhī holds at.
Holds at moonrise
Aṅga
Ṣaṣṭhī runs from 07:18 on Wed 3 Oct to 09:19 on Thu 4 Oct.
2091-10-03T03:47:45Z → 2091-10-04T05:49:11Z
Kāla
Moonrise is at 20:48 on the 2nd and 21:29 on the 3rd.
moonrise: disc centre, 31′
Rule
Ṣaṣṭhī must be current at moonrise. It is not on the 2nd and is on the 3rd.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Only one moonrise qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 37769 s
Ruling
Candra Ṣaṣṭhī, Tehran, 2091: Wednesday 3 October.
confidence: determinate
In Tehran, Candra Ṣaṣṭhī 2091 falls on Wednesday 3 October. Ṣaṣṭhī runs from 07:18 on Wed 3 Oct to 09:19 on Thu 4 Oct and is current at moonrise that day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 3 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 3 Oct |
| compat-drikpanchang | Comparison profile | Wed 3 Oct |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/chandra-shashthi · ruleset 2026.3-draft
“K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.
Twelve places, west to east. Local clock times.
| Place | Ṣaṣṭhī | Moonrise 3rd | Covered | Moonrise 4th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 20:48 → 22:49 | 22:42 | holds | 23:30 | no | 2 Oct |
| Chicago | 22:48 → 00:49 | 22:18 | holds | 23:05 | no | 3 Oct |
| Jersey City | 23:48 → 01:49 | 22:25 | holds | 23:11 | no | 3 Oct |
| Port of Spain | 23:48 → 01:49 | 22:26 | holds | 23:15 | no | 3 Oct |
| London | 04:48 → 06:49 | 21:49 | holds | 22:32 | no | 3 Oct |
| Durban | 05:48 → 07:49 | 23:03 | holds | 23:54 | no | 3 Oct |
| Dubai | 07:48 → 09:49 | 22:02 | holds | 22:49 | no | 3 Oct |
| Delhi | 09:18 → 11:19 | 21:56 | holds | 22:42 | no | 3 Oct |
| Kolkata | 09:18 → 11:19 | 21:20 | holds | 22:06 | no | 3 Oct |
| Singapore | 11:48 → 13:49 | 23:16 | holds | 00:04 | no | 3 Oct |
| Sydney | 13:48 → 15:49 | 22:53 | holds | 23:45 | no | 3 Oct |
| Suva | 15:48 → 17:49 | 22:34 | holds | 23:24 | no | 3 Oct |