Night of Saturday 29 August
Aṣṭamī is absent from niśītha. Not taken.
niśītha begins 23:41 00:29 niśītha ends
22:5323:1723:4100:0500:2900:5301:17
0 of 48 minutes covered
Ruling · Janmāṣṭamī · 1964
Boundaryin Tehran, under the Rashtriya Panchang method. A threshold is only 2 min 03 s away. Say “contested”.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Saturday 29 August
Aṣṭamī is absent from niśītha. Not taken.
0 of 48 minutes covered
Night of Sunday 30 August
Taken. The only night Aṣṭamī reaches.
2 of 48 minutes covered, the first 2
Aṅga
Aṣṭamī runs from 01:44 on Sun 30 Aug to 23:43 on Sun 30 Aug.
1964-08-29T22:14:28Z → 1964-08-30T20:13:02Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:41–00:29 on the 29th, 23:41–00:29 on the 30th.
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 29th and 2 of 48 on the 30th.
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 123 s < 300 s
Ruling
Janmāṣṭamī, Tehran, 1964: Sunday 30 August.
confidence: boundary (margin)
In Tehran, Janmāṣṭamī 1964 falls on Sunday 30 August. Aṣṭamī runs from 01:44 on Sun 30 Aug to 23:43 on Sun 30 Aug and covers 2 of 48 minutes of niśītha that night. It is 2 min 03 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sun 30 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 30 Aug |
| compat-drikpanchang | Comparison profile | Sun 30 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 29th | Covered | Niśītha 30th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 15:14 → 13:13 | 00:30 | 48 min | 00:29 | 0 min | 29 Aug |
| Chicago | 17:14 → 15:13 | 00:28 | 48 min | 00:27 | 0 min | 29 Aug |
| Jersey City | 18:14 → 16:13 | 00:33 | 48 min | 00:33 | 0 min | 29 Aug |
| Port of Spain | 18:14 → 16:13 | 23:43 | 48 min | 23:42 | 0 min | 29 Aug |
| London | 23:14 → 21:13 | 00:38 | 48 min | 00:37 | 0 min | 29 Aug |
| Durban | 00:14 → 22:13 | 23:32 | 6 min | 23:32 | 0 min | 29 Aug |
| Dubai | 02:14 → 00:13 | 23:56 | 0 min | 23:55 | 18 min | 30 Aug |
| Delhi | 03:44 → 01:43 | 23:58 | 0 min | 23:58 | 48 min | 30 Aug |
| Kolkata | 03:44 → 01:43 | 23:13 | 0 min | 23:13 | 48 min | 30 Aug |
| Singapore | 05:44 → 03:43 | 00:11 | 0 min | 00:11 | 48 min | 30 Aug |
| Sydney | 08:14 → 06:13 | 23:32 | 0 min | 23:31 | 48 min | 30 Aug |
| Suva | 10:14 → 08:13 | 23:43 | 0 min | 23:43 | 48 min | 30 Aug |