Midday of Thursday 12 September
Taken. The only midday Aṣṭamī reaches.
madhyāhna begins 11:38 12:26 madhyāhna ends
Aṣṭamī begins 11:37:51
10:5011:1411:3812:0212:2612:5013:14
48 of 48 minutes covered
Ruling · Rādhāṣṭamī · 2013
Boundaryin Lucknow, under the Rashtriya Panchang method. A threshold is only 0 min 32 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Thursday 12 September
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Midday of Friday 13 September
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 11:38 on Thu 12 Sep to 09:35 on Fri 13 Sep.
2013-09-12T06:07:51Z → 2013-09-13T04:04:52Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 12th, 11:38–12:26 on the 13th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: unstated → only-day · margin 32 s < 300 s
Ruling
Rādhāṣṭamī, Lucknow, 2013: Thursday 12 September.
confidence: boundary (margin)
In Lucknow, Rādhāṣṭamī 2013 falls on Thursday 12 September. Aṣṭamī runs from 11:38 on Thu 12 Sep to 09:35 on Fri 13 Sep and covers all of madhyāhna that midday. It is 0 min 32 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 12 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 12 Sep |
| compat-drikpanchang | Comparison profile | Thu 12 Sep |
| No institution has a recorded ruling for Lucknow. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/radhashtami · ruleset 2026.3-draft
“S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.
Twelve places, west to east. Local clock times.
| Place | Aṣṭamī | Madhyāhna 12th | Covered | Madhyāhna 13th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:08 → 21:05 | 12:25 | 48 min | 12:24 | 0 min | 12 Sep |
| Chicago | 01:08 → 23:05 | 12:22 | 48 min | 12:22 | 0 min | 12 Sep |
| Jersey City | 02:08 → 00:05 | 12:28 | 48 min | 12:28 | 0 min | 12 Sep |
| Port of Spain | 02:08 → 00:05 | 11:38 | 48 min | 11:38 | 0 min | 12 Sep |
| London | 07:08 → 05:05 | 12:32 | 48 min | 12:32 | 0 min | 12 Sep |
| Durban | 08:08 → 06:05 | 11:28 | 48 min | 11:28 | 0 min | 12 Sep |
| Dubai | 10:08 → 08:05 | 11:51 | 48 min | 11:50 | 0 min | 12 Sep |
| Delhi | 11:38 → 09:35 | 11:53 | 48 min | 11:53 | 0 min | 12 Sep |
| Kolkata | 11:38 → 09:35 | 11:09 | 19 min | 11:08 | 0 min | 12 Sep |
| Singapore | 14:08 → 12:05 | 12:37 | 0 min | 12:37 | 0 min | 13 Sep |
| Sydney | 16:08 → 14:05 | 11:28 | 0 min | 11:27 | 48 min | 13 Sep |
| Suva | 18:08 → 16:05 | 11:39 | 0 min | 11:38 | 48 min | 13 Sep |