Night of Monday 21 August
Aṣṭamī is absent from niśītha. Not taken.
niśītha begins 00:43 01:31 niśītha ends
23:5500:1900:4301:0701:3101:5502:19
0 of 48 minutes covered
Ruling · Janmāṣṭamī (Kṛṣṇa Janmāṣṭamī) · 2000
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 539 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Monday 21 August
Aṣṭamī is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Tuesday 22 August
Taken. The only night Aṣṭamī reaches.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 12:04 on Tue 22 Aug to 10:31 on Wed 23 Aug.
2000-08-22T07:33:39Z → 2000-08-23T06:00:40Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 00:43–01:31 on the 21st, 00:43–01:31 on the 22nd.
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 21st and 48 of 48 on the 22nd.
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 32368 s
Ruling
Janmāṣṭamī, Tehran, 2000: Tuesday 22 August.
confidence: determinate
In Tehran, Janmāṣṭamī (Krishna Janmashtami) 2000 falls on Tuesday 22 August. Aṣṭamī runs from 12:04 on Tue 22 Aug to 10:31 on Wed 23 Aug and covers all of niśītha that night.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 22 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 22 Aug |
| compat-drikpanchang | Comparison profile | Tue 22 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 22nd | Covered | Niśītha 23rd | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:34 → 23:01 | 00:32 | 0 min | 00:31 | 0 min | 21 Aug |
| Chicago | 02:34 → 01:01 | 00:29 | 31 min | 00:29 | 0 min | 22 Aug |
| Jersey City | 03:34 → 02:01 | 00:35 | 48 min | 00:35 | 0 min | 22 Aug |
| Port of Spain | 03:34 → 02:01 | 23:45 | 48 min | 23:44 | 0 min | 22 Aug |
| London | 08:34 → 07:01 | 00:40 | 48 min | 00:39 | 0 min | 22 Aug |
| Durban | 09:34 → 08:01 | 23:34 | 48 min | 23:34 | 0 min | 22 Aug |
| Dubai | 11:34 → 10:01 | 23:58 | 48 min | 23:57 | 0 min | 22 Aug |
| Delhi | 13:04 → 11:31 | 00:00 | 48 min | 00:00 | 0 min | 22 Aug |
| Kolkata | 13:04 → 11:31 | 23:15 | 48 min | 23:15 | 0 min | 22 Aug |
| Singapore | 15:34 → 14:01 | 00:43 | 48 min | 00:43 | 0 min | 22 Aug |
| Sydney | 17:34 → 16:01 | 23:34 | 48 min | 23:33 | 0 min | 22 Aug |
| Suva | 19:34 → 18:01 | 23:45 | 48 min | 23:45 | 0 min | 22 Aug |