Dawn of Wednesday 31 January
Taken. Both dawns qualify; the rule is silent, and this one is covered longer.
111 of 111 minutes covered
Ruling · Ratha Saptamī · 1906
Boundaryin Baoding, under the Rashtriya Panchang method. Both dawns qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.
Dawn of Wednesday 31 January
Taken. Both dawns qualify; the rule is silent, and this one is covered longer.
111 of 111 minutes covered
Dawn of Thursday 1 February
Qualifies with 99 of 111 minutes. Not taken.
99 of 111 minutes covered, the first 99
Aṅga
Saptamī runs from 04:50 on Wed 31 Jan to 07:15 on Thu 1 Feb.
1906-01-30T20:49:40Z → 1906-01-31T23:14:52Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 05:36–07:27 on the 31st, 05:35–07:26 on the 1st.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Saptamī must be present during aruṇodaya. It covers 111 of 111 minutes on the 31st and 99 of 111 on the 1st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Both dawns qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 670 s
Ruling
Ratha Saptamī, Baoding, 1906: Wednesday 31 January.
confidence: boundary (tie-break-unstated)
In Baoding, Ratha Saptamī 1906 falls on Wednesday 31 January. Saptamī runs from 04:50 on Wed 31 Jan to 07:15 on Thu 1 Feb and covers all of aruṇodaya that dawn. It also reaches the next dawn for 99 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 31 Jan |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 31 Jan |
| compat-drikpanchang | Comparison profile | Wed 31 Jan |
| No institution has a recorded ruling for Baoding. | ||
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 30th | Covered | Aruṇodaya 31st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 12:50 → 15:15 | 05:04 | 0 min | 05:04 | 108 min | 31 Jan |
| Chicago | 14:50 → 17:15 | 05:14 | 0 min | 05:13 | 112 min | 31 Jan |
| Jersey City | 15:50 → 18:15 | 05:17 | 0 min | 05:17 | 112 min | 31 Jan |
| Port of Spain | 16:50 → 19:15 | 04:51 | 0 min | 04:51 | 99 min | 31 Jan |
| London | 20:50 → 23:15 | 05:44 | 0 min | 05:43 | 120 min | 31 Jan |
| Durban | 22:50 → 01:15 | 03:59 | 0 min | 04:00 | 84 min | 31 Jan |
| Dubai | 00:31 → 02:56 | 05:00 | 0 min | 05:00 | 104 min | 31 Jan |
| Delhi | 02:20 → 04:45 | 05:25 | 0 min | 05:25 | 106 min | 31 Jan |
| Kolkata | 02:20 → 04:45 | 04:34 | 0 min | 04:34 | 103 min | 31 Jan |
| Singapore | 03:50 → 06:15 | 04:41 | 0 min | 04:41 | 96 min | 31 Jan |
| Sydney | 06:50 → 09:15 | 03:53 | 0 min | 03:53 | 0 min | 1 Feb |
| Suva | 08:45 → 11:10 | 04:18 | 0 min | 04:19 | 0 min | 1 Feb |