Dawn of Friday 18 February
Taken. The only dawn Saptamī reaches.
105 of 105 minutes covered
Ruling · Ratha Saptamī · 2078
Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 06 s away. Say “contested”.
One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.
Dawn of Friday 18 February
Taken. The only dawn Saptamī reaches.
105 of 105 minutes covered
Dawn of Saturday 19 February
Saptamī is absent from aruṇodaya. Not taken.
0 of 105 minutes covered
Aṅga
Saptamī runs from 05:21 on Fri 18 Feb to 03:23 on Sat 19 Feb.
2078-02-17T21:21:02Z → 2078-02-18T19:22:44Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 05:21–07:06 on the 18th, 05:20–07:05 on the 19th.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Saptamī must be present during aruṇodaya. It covers 105 of 105 minutes on the 18th and 0 of 105 on the 19th.
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 6 s < 300 s
Ruling
Ratha Saptamī, Baoding, 2078: Friday 18 February.
confidence: boundary (margin)
In Baoding, Ratha Saptamī 2078 falls on Friday 18 February. Saptamī runs from 05:21 on Fri 18 Feb to 03:23 on Sat 19 Feb and covers all of aruṇodaya that dawn. It is 0 min 06 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 18 Feb |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 18 Feb |
| compat-drikpanchang | Comparison profile | Fri 18 Feb |
| 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 17th | Covered | Aruṇodaya 18th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 13:21 → 11:23 | 04:52 | 0 min | 04:51 | 103 min | 18 Feb |
| Chicago | 15:21 → 13:23 | 04:57 | 0 min | 04:56 | 106 min | 18 Feb |
| Jersey City | 16:21 → 14:23 | 05:01 | 0 min | 05:00 | 106 min | 18 Feb |
| Port of Spain | 17:21 → 15:23 | 04:48 | 0 min | 04:48 | 97 min | 18 Feb |
| London | 21:21 → 19:23 | 05:19 | 0 min | 05:18 | 110 min | 18 Feb |
| Durban | 23:21 → 21:23 | 04:11 | 0 min | 04:12 | 88 min | 18 Feb |
| Dubai | 01:21 → 23:23 | 05:11 | 0 min | 05:10 | 101 min | 18 Feb |
| Delhi | 02:51 → 00:53 | 05:16 | 0 min | 05:15 | 102 min | 18 Feb |
| Kolkata | 02:51 → 00:53 | 04:27 | 0 min | 04:26 | 100 min | 18 Feb |
| Singapore | 05:21 → 03:23 | 05:41 | 0 min | 05:41 | 95 min | 18 Feb |
| Sydney | 08:21 → 06:23 | 05:06 | 0 min | 05:07 | 0 min | 19 Feb |
| Suva | 09:21 → 07:23 | 04:30 | 0 min | 04:31 | 0 min | 19 Feb |