Night of Saturday 11 August
Taken. The only night Aṣṭamī reaches.
48 of 48 minutes covered
Ruling · Janmāṣṭamī (Kṛṣṇa Janmāṣṭamī) · 2001
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 20 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Saturday 11 August
Taken. The only night Aṣṭamī reaches.
48 of 48 minutes covered
Night of Sunday 12 August
Aṣṭamī is absent from niśītha. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 00:10 on Sun 12 Aug to 00:25 on Mon 13 Aug.
2001-08-11T19:40:21Z → 2001-08-12T19:55:18Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 00:46–01:34 on the 11th, 00:45–01:33 on the 12th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.
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 1210 s
Ruling
Janmāṣṭamī, Tehran, 2001: Saturday 11 August.
confidence: determinate
In Tehran, Janmāṣṭamī (Krishna Janmashtami) 2001 falls on Saturday 11 August. Aṣṭamī runs from 00:10 on Sun 12 Aug to 00:25 on Mon 13 Aug and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 11 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 11 Aug |
| compat-drikpanchang | Comparison profile | Sat 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 11th | Covered | Niśītha 12th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 12:40 → 12:55 | 00:34 | 48 min | 00:34 | 0 min | 11 Aug |
| Chicago | 14:40 → 14:55 | 00:32 | 48 min | 00:32 | 0 min | 11 Aug |
| Jersey City | 15:40 → 15:55 | 00:38 | 48 min | 00:37 | 0 min | 11 Aug |
| Port of Spain | 15:40 → 15:55 | 23:47 | 48 min | 23:47 | 0 min | 11 Aug |
| London | 20:40 → 20:55 | 00:42 | 48 min | 00:42 | 0 min | 11 Aug |
| Durban | 21:40 → 21:55 | 23:37 | 48 min | 23:37 | 0 min | 11 Aug |
| Dubai | 23:40 → 23:55 | 00:00 | 48 min | 00:00 | 0 min | 11 Aug |
| Delhi | 01:10 → 01:25 | 00:02 | 0 min | 00:02 | 48 min | 12 Aug |
| Kolkata | 01:10 → 01:25 | 23:18 | 0 min | 23:18 | 48 min | 12 Aug |
| Singapore | 03:40 → 03:55 | 00:46 | 0 min | 00:46 | 48 min | 12 Aug |
| Sydney | 05:40 → 05:55 | 23:36 | 0 min | 23:36 | 48 min | 12 Aug |
| Suva | 07:40 → 07:55 | 23:47 | 0 min | 23:47 | 48 min | 12 Aug |