Night of Sunday 29 August
Qualifies with 48 of 48 minutes. Not taken.
niśītha begins 23:30 00:18 niśītha ends
22:4223:0623:3023:5400:1800:4201:06
48 of 48 minutes covered
Ruling · Janmāṣṭamī (Kṛṣṇa Janmāṣṭamī) · 2021
Boundaryin Riyadh, under the Rashtriya Panchang method. A threshold is only 0 min 25 s away. Say “contested”.
One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.
Night of Sunday 29 August
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Night of Monday 30 August
Taken. Both nights qualify; the rule takes the second.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 20:56 on Sun 29 Aug to 23:30 on Mon 30 Aug.
2021-08-29T17:55:43Z → 2021-08-30T20:30:07Z
Kāla
Niśītha is 1 ghaṭikā either side of midnight: 23:30–00:18 on the 29th, 23:30–00:18 on the 30th.
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 29th and 0 of 48 on the 30th.
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 25 s < 300 s
Ruling
Janmāṣṭamī, Riyadh, 2021: Monday 30 August.
confidence: boundary (margin)
In Riyadh, Janmāṣṭamī (Krishna Janmashtami) 2021 falls on Monday 30 August. Aṣṭamī runs from 20:56 on Sun 29 Aug to 23:30 on Mon 30 Aug and covers 0 of 48 minutes of niśītha that night. It also reaches the previous night for 48 minutes; by the rule the second night is taken. It is 0 min 25 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 30 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 30 Aug |
| compat-drikpanchang | Comparison profile | Sun 29 Aug |
| No institution has a recorded ruling for Riyadh. | ||
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 | 10:56 → 13:30 | 00:30 | 48 min | 00:29 | 0 min | 29 Aug |
| Chicago | 12:56 → 15:30 | 00:28 | 48 min | 00:27 | 0 min | 29 Aug |
| Jersey City | 13:56 → 16:30 | 00:33 | 48 min | 00:33 | 0 min | 29 Aug |
| Port of Spain | 13:56 → 16:30 | 23:43 | 48 min | 23:42 | 0 min | 29 Aug |
| London | 18:56 → 21:30 | 00:38 | 48 min | 00:37 | 0 min | 29 Aug |
| Durban | 19:56 → 22:30 | 23:32 | 48 min | 23:32 | 0 min | 29 Aug |
| Dubai | 21:56 → 00:30 | 23:56 | 48 min | 23:55 | 35 min | 30 Aug |
| Delhi | 23:26 → 02:00 | 23:58 | 48 min | 23:58 | 48 min | 30 Aug |
| Kolkata | 23:26 → 02:00 | 23:13 | 36 min | 23:13 | 48 min | 30 Aug |
| Singapore | 01:56 → 04:30 | 00:41 | 0 min | 00:41 | 48 min | 30 Aug |
| Sydney | 03:56 → 06:30 | 23:32 | 0 min | 23:31 | 48 min | 30 Aug |
| Suva | 05:56 → 08:30 | 23:43 | 0 min | 23:43 | 48 min | 30 Aug |