Dawn of Friday 11 February
Taken. Both dawns qualify; the rule is silent, and this one is covered longer.
05:28 aruṇodaya beginssunrise 07:16
05:0405:2805:5206:1606:4007:0407:28
108 of 108 minutes covered
Ruling · Yama Tarpaṇa · 1983
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 Friday 11 February
Taken. Both dawns qualify; the rule is silent, and this one is covered longer.
108 of 108 minutes covered
Dawn of Saturday 12 February
Qualifies with 44 of 107 minutes. Not taken.
44 of 107 minutes covered, the first 44
Aṅga
Caturdaśī runs from 03:35 on Fri 11 Feb to 06:11 on Sat 12 Feb.
1983-02-10T19:35:12Z → 1983-02-11T22:11:14Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 05:28–07:16 on the 11th, 05:27–07:14 on the 12th.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during aruṇodaya. It covers 108 of 108 minutes on the 11th and 44 of 107 on the 12th.
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 2644 s
Ruling
Yama Tarpaṇa, Baoding, 1983: Friday 11 February.
confidence: boundary (tie-break-unstated)
In Baoding, Yama Tarpaṇa 1983 falls on Friday 11 February. Caturdaśī runs from 03:35 on Fri 11 Feb to 06:11 on Sat 12 Feb and covers all of aruṇodaya that dawn. It also reaches the next dawn for 44 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 | Fri 11 Feb |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 11 Feb |
| compat-drikpanchang | Comparison profile | Fri 11 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 10th | Covered | Aruṇodaya 11th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 11:35 → 14:11 | 04:58 | 0 min | 04:57 | 105 min | 11 Feb |
| Chicago | 13:35 → 16:11 | 05:05 | 0 min | 05:04 | 109 min | 11 Feb |
| Jersey City | 14:35 → 17:11 | 05:09 | 0 min | 05:08 | 108 min | 11 Feb |
| Port of Spain | 15:35 → 18:11 | 04:50 | 0 min | 04:50 | 98 min | 11 Feb |
| London | 19:35 → 22:11 | 05:30 | 0 min | 05:29 | 114 min | 11 Feb |
| Durban | 21:35 → 00:11 | 04:06 | 0 min | 04:07 | 86 min | 11 Feb |
| Dubai | 23:35 → 02:11 | 05:15 | 0 min | 05:14 | 102 min | 11 Feb |
| Delhi | 01:05 → 03:41 | 05:21 | 0 min | 05:20 | 104 min | 11 Feb |
| Kolkata | 01:05 → 03:41 | 04:30 | 0 min | 04:30 | 102 min | 11 Feb |
| Singapore | 03:35 → 06:11 | 05:41 | 0 min | 05:41 | 95 min | 11 Feb |
| Sydney | 06:35 → 09:11 | 05:01 | 0 min | 05:02 | 0 min | 12 Feb |
| Suva | 07:35 → 10:11 | 04:28 | 0 min | 04:28 | 0 min | 12 Feb |