Dawn of Thursday 20 January
Taken. The only dawn Caturdaśī reaches.
05:40 aruṇodaya beginssunrise 07:34
05:1605:4006:0406:2806:5207:1607:4008:04
113 of 113 minutes covered
Ruling · Yama Tarpaṇa · 1966
Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 489 minutes.
One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.
Dawn of Thursday 20 January
Taken. The only dawn Caturdaśī reaches.
113 of 113 minutes covered
Dawn of Friday 21 January
Caturdaśī is absent from aruṇodaya. Not taken.
0 of 113 minutes covered
Aṅga
Caturdaśī runs from 19:30 on Wed 19 Jan to 21:31 on Thu 20 Jan.
1966-01-19T11:30:01Z → 1966-01-20T13:31:09Z
Kāla
Aruṇodaya is 2 muhūrtas before sunrise: 05:40–07:34 on the 20th, 05:40–07:33 on the 21st.
arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Caturdaśī must be present during aruṇodaya. It covers 113 of 113 minutes on the 20th and 0 of 113 on the 21st.
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 29340 s
Ruling
Yama Tarpaṇa, Baoding, 1966: Thursday 20 January.
confidence: determinate
In Baoding, Yama Tarpaṇa 1966 falls on Thursday 20 January. Caturdaśī runs from 19:30 on Wed 19 Jan to 21:31 on Thu 20 Jan and covers all of aruṇodaya that dawn.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 20 Jan |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 20 Jan |
| compat-drikpanchang | Comparison profile | Thu 20 Jan |
| 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 19th | Covered | Aruṇodaya 20th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 03:30 → 05:31 | 05:07 | 110 min | 05:07 | 24 min | 19 Jan |
| Chicago | 05:30 → 07:31 | 05:19 | 104 min | 05:18 | 115 min | 20 Jan |
| Jersey City | 06:30 → 08:31 | 05:22 | 47 min | 05:22 | 115 min | 20 Jan |
| Port of Spain | 07:30 → 09:31 | 04:50 | 0 min | 04:50 | 99 min | 20 Jan |
| London | 11:30 → 13:31 | 05:52 | 0 min | 05:52 | 124 min | 20 Jan |
| Durban | 13:30 → 15:31 | 03:51 | 0 min | 03:52 | 82 min | 20 Jan |
| Dubai | 15:30 → 17:31 | 05:20 | 0 min | 05:20 | 106 min | 20 Jan |
| Delhi | 17:00 → 19:01 | 05:27 | 0 min | 05:27 | 107 min | 20 Jan |
| Kolkata | 17:00 → 19:01 | 04:35 | 0 min | 04:35 | 104 min | 20 Jan |
| Singapore | 19:00 → 21:01 | 05:08 | 0 min | 05:08 | 96 min | 20 Jan |
| Sydney | 21:30 → 23:31 | 03:44 | 0 min | 03:45 | 80 min | 20 Jan |
| Suva | 23:30 → 01:31 | 04:18 | 0 min | 04:18 | 88 min | 20 Jan |