Dawn of Monday 14 February
Saptamī is absent from aruṇodaya. Not taken.
0 of 110 minutes covered
Ruling · Ratha Saptamī · 1921
Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 516 minutes.
One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.
Dawn of Monday 14 February
Saptamī is absent from aruṇodaya. Not taken.
0 of 110 minutes covered
Dawn of Tuesday 15 February
Taken. The only dawn Saptamī reaches.
110 of 110 minutes covered
Aṅga
Saptamī runs from 15:50 on Mon 14 Feb to 15:22 on Tue 15 Feb.
1921-02-14T07:50:18Z → 1921-02-15T07:21:35Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 04:57–06:47 on the 14th, 04:56–06:46 on the 15th.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Saptamī must be present during aruṇodaya. It covers 0 of 110 minutes on the 14th and 110 of 110 on the 15th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Only one dawn qualifies. No tie-break is needed.
priority: unstated → only-day · margin 30947 s
Ruling
Ratha Saptamī, Daqing, 1921: Tuesday 15 February.
confidence: determinate
In Daqing, Ratha Saptamī 1921 falls on Tuesday 15 February. Saptamī runs from 15:50 on Mon 14 Feb to 15:22 on Tue 15 Feb and covers all of aruṇodaya that dawn.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 15 Feb |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 15 Feb |
| compat-drikpanchang | Comparison profile | Tue 15 Feb |
| No institution has a recorded ruling for Daqing. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/ratha-saptami · ruleset 2026.3-draft
“S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha].” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.
Twelve places, west to east. Local clock times.
| Place | Saptamī | Aruṇodaya 14th | Covered | Aruṇodaya 15th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:50 → 23:22 | 04:55 | 105 min | 04:54 | 0 min | 14 Feb |
| Chicago | 01:50 → 01:22 | 05:01 | 108 min | 05:00 | 0 min | 14 Feb |
| Jersey City | 02:50 → 02:22 | 05:05 | 107 min | 05:04 | 0 min | 14 Feb |
| Port of Spain | 03:50 → 03:22 | 04:49 | 98 min | 04:49 | 0 min | 14 Feb |
| London | 07:50 → 07:22 | 05:25 | 0 min | 05:24 | 112 min | 15 Feb |
| Durban | 09:50 → 09:22 | 04:09 | 0 min | 04:09 | 87 min | 15 Feb |
| Dubai | 11:50 → 11:22 | 05:13 | 0 min | 05:12 | 102 min | 15 Feb |
| Delhi | 13:20 → 12:52 | 05:18 | 0 min | 05:18 | 103 min | 15 Feb |
| Kolkata | 13:20 → 12:52 | 04:29 | 0 min | 04:28 | 101 min | 15 Feb |
| Singapore | 14:50 → 14:22 | 04:42 | 0 min | 04:41 | 95 min | 15 Feb |
| Sydney | 17:50 → 17:22 | 04:04 | 0 min | 04:05 | 85 min | 15 Feb |
| Suva | 19:50 → 19:22 | 04:29 | 0 min | 04:29 | 90 min | 15 Feb |