Night of Tuesday 27 August
Qualifies with 24 of 48 minutes. Not taken.
niśītha begins 00:42 01:30 niśītha ends
Aṣṭamī begins 01:06:11
23:5400:1800:4201:0601:3001:5402:18
24 of 48 minutes covered, the last 24
Ruling · Janmāṣṭamī · 2013
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 24 minutes.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Tuesday 27 August
Qualifies with 24 of 48 minutes. Not taken.
24 of 48 minutes covered, the last 24
Night of Wednesday 28 August
Taken. Both nights qualify; the rule takes the second.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 01:06 on Wed 28 Aug to 03:10 on Thu 29 Aug.
2013-08-27T20:36:11Z → 2013-08-28T22:40:26Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 00:42–01:30 on the 27th, 00:42–01:30 on the 28th.
nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during niśītha. It covers 24 of 48 minutes on the 27th and 48 of 48 on the 28th.
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 1423 s
Ruling
Janmāṣṭamī, Tehran, 2013: Wednesday 28 August.
confidence: determinate
In Tehran, Janmāṣṭamī 2013 falls on Wednesday 28 August. Aṣṭamī runs from 01:06 on Wed 28 Aug to 03:10 on Thu 29 Aug and covers all of niśītha that night. It also reaches the previous night for 24 minutes; by the rule the second night is taken.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 28 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 28 Aug |
| compat-drikpanchang | Comparison profile | Wed 28 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 27th | Covered | Niśītha 28th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 13:36 → 15:40 | 00:30 | 48 min | 00:30 | 0 min | 27 Aug |
| Chicago | 15:36 → 17:40 | 00:28 | 48 min | 00:28 | 0 min | 27 Aug |
| Jersey City | 16:36 → 18:40 | 00:34 | 48 min | 00:34 | 0 min | 27 Aug |
| Port of Spain | 16:36 → 18:40 | 23:43 | 48 min | 23:43 | 0 min | 27 Aug |
| London | 21:36 → 23:40 | 00:38 | 48 min | 00:38 | 0 min | 27 Aug |
| Durban | 22:36 → 00:40 | 23:33 | 48 min | 23:33 | 48 min | 28 Aug |
| Dubai | 00:36 → 02:40 | 23:56 | 8 min | 23:56 | 48 min | 28 Aug |
| Delhi | 02:06 → 04:10 | 23:59 | 0 min | 23:58 | 48 min | 28 Aug |
| Kolkata | 02:06 → 04:10 | 23:14 | 0 min | 23:14 | 48 min | 28 Aug |
| Singapore | 04:36 → 06:40 | 00:42 | 0 min | 00:42 | 48 min | 28 Aug |
| Sydney | 06:36 → 08:40 | 23:32 | 0 min | 23:32 | 48 min | 28 Aug |
| Suva | 08:36 → 10:40 | 23:44 | 0 min | 23:43 | 48 min | 28 Aug |