Night of Monday 10 August
Qualifies with 7 of 48 minutes. Not taken.
niśītha begins 23:41 00:29 niśītha ends
Aṣṭamī begins 00:22:12
22:5323:1723:4100:0500:2900:5301:17
7 of 48 minutes covered, the last 7
Ruling · Janmāṣṭamī · 1925
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 7 min 14 s.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Monday 10 August
Qualifies with 7 of 48 minutes. Not taken.
7 of 48 minutes covered, the last 7
Night of Tuesday 11 August
Taken. Both nights qualify; the rule takes the second.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 00:21 on Tue 11 Aug to 01:01 on Wed 12 Aug.
1925-08-10T20:56:29Z → 1925-08-11T21:36:05Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 10th, 23:41–00:29 on the 11th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during niśītha. It covers 7 of 48 minutes on the 10th and 48 of 48 on the 11th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Both nights qualify. Paraviddhā: the second is taken.
priority: paraviddha → paraviddha · margin 434 s
Ruling
Janmāṣṭamī, Tehran, 1925: Tuesday 11 August.
confidence: determinate
In Tehran, Janmāṣṭamī 1925 falls on Tuesday 11 August. Aṣṭamī runs from 00:21 on Tue 11 Aug to 01:01 on Wed 12 Aug and covers all of niśītha that night. It also reaches the previous night for 7 minutes; by the rule the second night is taken.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 11 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 11 Aug |
| compat-drikpanchang | Comparison profile | Tue 11 Aug |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/janmashtami · ruleset 2026.3-draft
“K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103. The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.
Twelve places, west to east. Local clock times.
| Place | Aṣṭamī | Niśītha 10th | Covered | Niśītha 11th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 12:56 → 13:36 | 23:34 | 48 min | 23:34 | 0 min | 10 Aug |
| Chicago | 15:56 → 16:36 | 00:32 | 48 min | 00:32 | 0 min | 10 Aug |
| Jersey City | 16:56 → 17:36 | 00:38 | 48 min | 00:38 | 0 min | 10 Aug |
| Port of Spain | 16:56 → 17:36 | 23:47 | 48 min | 23:47 | 0 min | 10 Aug |
| London | 21:56 → 22:36 | 00:42 | 48 min | 00:42 | 0 min | 10 Aug |
| Durban | 22:56 → 23:36 | 23:37 | 48 min | 23:37 | 0 min | 10 Aug |
| Dubai | 00:56 → 01:36 | 00:00 | 0 min | 00:00 | 48 min | 11 Aug |
| Delhi | 02:26 → 03:06 | 00:02 | 0 min | 00:02 | 48 min | 11 Aug |
| Kolkata | 02:26 → 03:06 | 23:18 | 0 min | 23:18 | 48 min | 11 Aug |
| Singapore | 03:56 → 04:36 | 23:46 | 0 min | 23:46 | 48 min | 11 Aug |
| Sydney | 06:56 → 07:36 | 23:36 | 0 min | 23:36 | 48 min | 11 Aug |
| Suva | 08:56 → 09:36 | 23:47 | 0 min | 23:47 | 48 min | 11 Aug |