Ruling · Yama Tarpaṇa · 1941

Sunday 26 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 544 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two dawns

One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.

Dawn of Sunday 26 January

Taken. The only dawn Caturdaśī reaches.

05:38 aruṇodaya beginssunrise 07:30
05:1405:3806:0206:2606:5007:1407:3808:02

112 of 112 minutes covered

Dawn of Monday 27 January

Caturdaśī is absent from aruṇodaya. Not taken.

05:38 aruṇodaya beginssunrise 07:30
05:1405:3806:0206:2606:5007:1407:3808:02

0 of 112 minutes covered

Caturdaśī presentAruṇodaya, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 20:34 on Sat 25 Jan to 19:35 on Sun 26 Jan.

    1941-01-25T12:34:09Z → 1941-01-26T11:34:58Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:38–07:30 on the 26th, 05:38–07:30 on the 27th.

    arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 112 of 112 minutes on the 26th and 0 of 112 on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one dawn qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 32646 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 1941: Sunday 26 January.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 1941 falls on Sunday 26 January. Caturdaśī runs from 20:34 on Sat 25 Jan to 19:35 on Sun 26 Jan and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1941/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 26 Jan
Ahargaṇa, classicalDisc centre, no refractionSun 26 Jan
compat-drikpanchangComparison profileSun 26 Jan
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/yama-tarpana · ruleset 2026.3-draft

Month
Pauṣa, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Aruṇodaya
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīAruṇodaya 25thCoveredAruṇodaya 26thCoveredRuled
Los Angeles04:34 → 03:3505:06109 min05:050 min25 Jan
Chicago06:34 → 05:3505:1636 min05:1619 min25 Jan
Jersey City07:34 → 06:3505:200 min05:1976 min26 Jan
Port of Spain08:34 → 07:3504:510 min04:5199 min26 Jan
London13:34 → 12:3506:480 min06:47122 min26 Jan
Durban14:34 → 13:3503:560 min03:5683 min26 Jan
Dubai16:34 → 15:3505:200 min05:19105 min26 Jan
Delhi18:04 → 17:0505:260 min05:26107 min26 Jan
Kolkata18:04 → 17:0504:340 min04:34104 min26 Jan
Singapore19:54 → 18:5505:000 min05:0096 min26 Jan
Sydney22:34 → 21:3503:490 min03:5081 min26 Jan
Suva00:34 → 23:3504:210 min04:2188 min26 Jan
Profile · tradition
pac-rp@2026.1 · smarta
Rule
yama-tarpana@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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