Dawn of Sunday 5 February
Qualifies with 34 of 109 minutes. Not taken.
05:32 aruṇodaya beginssunrise 07:21
Caturdaśī begins 06:46:10
05:0805:3205:5606:2006:4407:0807:32
34 of 109 minutes covered, the last 34
Ruling · Yama Tarpaṇa · 2073
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 5 February
Qualifies with 34 of 109 minutes. Not taken.
34 of 109 minutes covered, the last 34
Dawn of Monday 6 February
Taken. Both dawns qualify; the rule is silent, and this one is covered longer.
109 of 109 minutes covered
Aṅga
Caturdaśī runs from 06:46 on Sun 5 Feb to 08:01 on Mon 6 Feb.
2073-02-04T22:46:11Z → 2073-02-06T00:00:49Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 05:32–07:21 on the 5th, 05:31–07:20 on the 6th.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during aruṇodaya. It covers 34 of 109 minutes on the 5th and 109 of 109 on the 6th.
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 2070 s
Ruling
Yama Tarpaṇa, Baoding, 2073: Monday 6 February.
confidence: boundary (tie-break-unstated)
In Baoding, Yama Tarpaṇa 2073 falls on Monday 6 February. Caturdaśī runs from 06:46 on Sun 5 Feb to 08:01 on Mon 6 Feb and covers all of aruṇodaya that dawn. It also reaches the previous dawn for 34 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 6 Feb |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 6 Feb |
| compat-drikpanchang | Comparison profile | Mon 6 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 4th | Covered | Aruṇodaya 6th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 14:46 → 16:01 | 05:01 | 0 min | 04:59 | 0 min | 5 Feb |
| Chicago | 16:46 → 18:01 | 05:09 | 0 min | 05:07 | 0 min | 5 Feb |
| Jersey City | 17:46 → 19:01 | 05:13 | 0 min | 05:11 | 0 min | 5 Feb |
| Port of Spain | 18:46 → 20:01 | 04:51 | 0 min | 04:50 | 0 min | 5 Feb |
| London | 22:46 → 00:01 | 05:36 | 0 min | 05:34 | 0 min | 5 Feb |
| Durban | 00:46 → 02:01 | 04:03 | 0 min | 04:04 | 0 min | 5 Feb |
| Dubai | 02:46 → 04:01 | 05:17 | 0 min | 05:16 | 0 min | 5 Feb |
| Delhi | 04:16 → 05:31 | 05:23 | 0 min | 05:22 | 9 min | 5 Feb |
| Kolkata | 04:16 → 05:31 | 04:32 | 0 min | 04:31 | 59 min | 5 Feb |
| Singapore | 06:46 → 08:01 | 05:41 | 0 min | 05:41 | 96 min | 6 Feb |
| Sydney | 09:46 → 11:01 | 04:57 | 0 min | 04:59 | 83 min | 6 Feb |
| Suva | 10:46 → 12:01 | 04:26 | 0 min | 04:27 | 89 min | 6 Feb |