Dawn of Tuesday 3 February
Caturdaśī is absent from aruṇodaya. Not taken.
0 of 110 minutes covered
Ruling · Yama Tarpaṇa · 1981
Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 45 s away. Say “contested”.
One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.
Dawn of Tuesday 3 February
Caturdaśī is absent from aruṇodaya. Not taken.
0 of 110 minutes covered
Dawn of Wednesday 4 February
Taken. The only dawn Caturdaśī reaches.
110 of 110 minutes covered
Aṅga
Caturdaśī runs from 07:58 on Tue 3 Feb to 07:23 on Wed 4 Feb.
1981-02-02T23:58:10Z → 1981-02-03T23:23:09Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 05:34–07:23 on the 3rd, 05:33–07:22 on the 4th.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during aruṇodaya. It covers 0 of 110 minutes on the 3rd and 110 of 110 on the 4th.
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 45 s < 300 s
Ruling
Yama Tarpaṇa, Baoding, 1981: Wednesday 4 February.
confidence: boundary (margin)
In Baoding, Yama Tarpaṇa 1981 falls on Wednesday 4 February. Caturdaśī runs from 07:58 on Tue 3 Feb to 07:23 on Wed 4 Feb and covers all of aruṇodaya that dawn. It is 0 min 45 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 4 Feb |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 4 Feb |
| compat-drikpanchang | Comparison profile | Wed 4 Feb |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/yama-tarpana · ruleset 2026.3-draft
“K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.
Twelve places, west to east. Local clock times.
| Place | Caturdaśī | Aruṇodaya 2nd | Covered | Aruṇodaya 3rd | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 15:58 → 15:23 | 05:02 | 0 min | 05:02 | 107 min | 3 Feb |
| Chicago | 17:58 → 17:23 | 05:11 | 0 min | 05:10 | 111 min | 3 Feb |
| Jersey City | 18:58 → 18:23 | 05:15 | 0 min | 05:14 | 111 min | 3 Feb |
| Port of Spain | 19:58 → 19:23 | 04:51 | 0 min | 04:51 | 99 min | 3 Feb |
| London | 23:58 → 23:23 | 05:39 | 0 min | 05:38 | 118 min | 3 Feb |
| Durban | 01:58 → 01:23 | 04:01 | 0 min | 04:02 | 84 min | 3 Feb |
| Dubai | 03:58 → 03:23 | 05:18 | 0 min | 05:17 | 104 min | 3 Feb |
| Delhi | 05:28 → 04:53 | 05:24 | 0 min | 05:24 | 100 min | 3 Feb |
| Kolkata | 05:28 → 04:53 | 04:33 | 0 min | 04:33 | 47 min | 3 Feb |
| Singapore | 07:28 → 06:53 | 05:11 | 0 min | 05:11 | 0 min | 4 Feb |
| Sydney | 10:58 → 10:23 | 04:55 | 0 min | 04:56 | 0 min | 4 Feb |
| Suva | 11:58 → 11:23 | 04:25 | 0 min | 04:25 | 0 min | 4 Feb |