Night of Monday 25 August
Aṣṭamī is absent from niśītha. Not taken.
niśītha begins 23:38 00:26 niśītha ends
22:5023:1423:3800:0200:2600:5001:14
0 of 48 minutes covered
Ruling · Janmāṣṭamī · 1902
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 60 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Monday 25 August
Aṣṭamī is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Tuesday 26 August
Taken. The only night Aṣṭamī reaches.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 03:29 on Tue 26 Aug to 01:26 on Wed 27 Aug.
1902-08-26T00:04:17Z → 1902-08-26T22:00:48Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:38–00:26 on the 25th, 23:37–00:25 on the 26th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Only one night qualifies. No tie-break is needed.
priority: paraviddha → only-day · margin 3626 s
Ruling
Janmāṣṭamī, Tehran, 1902: Tuesday 26 August.
confidence: determinate
In Tehran, Janmāṣṭamī 1902 falls on Tuesday 26 August. Aṣṭamī runs from 03:29 on Tue 26 Aug to 01:26 on Wed 27 Aug and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 26 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 26 Aug |
| compat-drikpanchang | Comparison profile | Tue 26 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 26th | Covered | Niśītha 27th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 16:04 → 14:01 | 23:31 | 0 min | 23:31 | 0 min | 25 Aug |
| Chicago | 18:04 → 16:01 | 23:29 | 0 min | 23:28 | 0 min | 25 Aug |
| Jersey City | 19:04 → 17:01 | 23:34 | 0 min | 23:34 | 0 min | 25 Aug |
| Port of Spain | 20:04 → 18:01 | 23:44 | 0 min | 23:44 | 0 min | 25 Aug |
| London | 00:04 → 22:01 | 23:39 | 0 min | 23:38 | 0 min | 25 Aug |
| Durban | 01:34 → 23:31 | 23:03 | 27 min | 23:03 | 0 min | 26 Aug |
| Dubai | 03:45 → 01:42 | 23:38 | 48 min | 23:37 | 0 min | 26 Aug |
| Delhi | 05:25 → 03:22 | 23:50 | 48 min | 23:50 | 0 min | 26 Aug |
| Kolkata | 05:25 → 03:22 | 23:06 | 48 min | 23:05 | 0 min | 26 Aug |
| Singapore | 06:59 → 04:56 | 23:37 | 48 min | 23:37 | 0 min | 26 Aug |
| Sydney | 10:04 → 08:01 | 23:33 | 48 min | 23:33 | 0 min | 26 Aug |
| Suva | 11:59 → 09:56 | 23:39 | 48 min | 23:39 | 0 min | 26 Aug |