Dawn of Sunday 8 February
Qualifies with 83 of 109 minutes. Not taken.
05:31 aruṇodaya beginssunrise 07:19
Caturdaśī begins 05:56:51
05:0705:3105:5506:1906:4307:0707:31
83 of 109 minutes covered, the last 83
Ruling · Yama Tarpaṇa · 1948
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 Sunday 8 February
Qualifies with 83 of 109 minutes. Not taken.
83 of 109 minutes covered, the last 83
Dawn of Monday 9 February
Taken. Both dawns qualify; the rule is silent, and this one is covered longer.
108 of 108 minutes covered
Aṅga
Caturdaśī runs from 05:57 on Sun 8 Feb to 08:30 on Mon 9 Feb.
1948-02-07T21:56:52Z → 1948-02-09T00:30:00Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 05:31–07:19 on the 8th, 05:30–07:18 on the 9th.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during aruṇodaya. It covers 83 of 109 minutes on the 8th and 108 of 108 on the 9th.
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 1562 s
Ruling
Yama Tarpaṇa, Baoding, 1948: Monday 9 February.
confidence: boundary (tie-break-unstated)
In Baoding, Yama Tarpaṇa 1948 falls on Monday 9 February. Caturdaśī runs from 05:57 on Sun 8 Feb to 08:30 on Mon 9 Feb and covers all of aruṇodaya that dawn. It also reaches the previous dawn for 83 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 | Mon 9 Feb |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 9 Feb |
| compat-drikpanchang | Comparison profile | Mon 9 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 7th | Covered | Aruṇodaya 9th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 13:57 → 16:30 | 05:00 | 0 min | 04:59 | 0 min | 8 Feb |
| Chicago | 15:57 → 18:30 | 05:08 | 0 min | 05:06 | 0 min | 8 Feb |
| Jersey City | 16:57 → 19:30 | 05:12 | 0 min | 05:10 | 0 min | 8 Feb |
| Port of Spain | 17:57 → 20:30 | 04:51 | 0 min | 04:50 | 0 min | 8 Feb |
| London | 21:57 → 00:30 | 05:35 | 0 min | 05:32 | 0 min | 8 Feb |
| Durban | 23:57 → 02:30 | 04:04 | 0 min | 04:05 | 0 min | 8 Feb |
| Dubai | 01:57 → 04:30 | 05:16 | 0 min | 05:16 | 0 min | 8 Feb |
| Delhi | 03:27 → 06:00 | 05:22 | 0 min | 05:21 | 39 min | 8 Feb |
| Kolkata | 03:27 → 06:00 | 04:32 | 0 min | 04:31 | 89 min | 8 Feb |
| Singapore | 05:27 → 08:00 | 05:11 | 0 min | 05:12 | 96 min | 9 Feb |
| Sydney | 07:57 → 10:30 | 03:58 | 0 min | 04:00 | 84 min | 9 Feb |
| Suva | 09:57 → 12:30 | 04:26 | 0 min | 04:27 | 90 min | 9 Feb |