Ruling · Yama Tarpaṇa · 1944

Monday 24 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 17 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 Monday 24 January

Taken. The only dawn Caturdaśī reaches.

06:39 aruṇodaya beginssunrise 08:32
Caturdaśī begins 06:56:29
06:1506:3907:0307:2707:5108:1508:3909:03

96 of 113 minutes covered, the last 96

Dawn of Tuesday 25 January

Caturdaśī is absent from aruṇodaya. Not taken.

06:39 aruṇodaya beginssunrise 08:31
06:1506:3907:0307:2707:5108:1508:3909:03

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 06:56 on Mon 24 Jan to 03:50 on Tue 25 Jan.

    1944-01-23T21:56:29Z → 1944-01-24T18:49:58Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 06:39–08:32 on the 24th, 06:39–08:31 on the 25th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 96 of 113 minutes on the 24th and 0 of 112 on the 25th.

    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 1026 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 1944: Monday 24 January.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 1944 falls on Monday 24 January. Caturdaśī runs from 06:56 on Mon 24 Jan to 03:50 on Tue 25 Jan and covers 96 of 113 minutes of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1944/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 Jan
Ahargaṇa, classicalDisc centre, no refractionMon 24 Jan
compat-drikpanchangComparison profileMon 24 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 23rdCoveredAruṇodaya 24thCoveredRuled
Los Angeles14:56 → 11:5006:070 min06:06110 min24 Jan
Chicago16:56 → 13:5006:170 min06:17114 min24 Jan
Jersey City17:56 → 14:5006:210 min06:21114 min24 Jan
Port of Spain18:56 → 15:5005:510 min05:5199 min24 Jan
London22:56 → 19:5006:500 min06:49123 min24 Jan
Durban00:56 → 21:5004:540 min04:5582 min24 Jan
Dubai01:56 → 22:5005:200 min05:20105 min24 Jan
Delhi04:26 → 01:2006:270 min06:27107 min24 Jan
Kolkata04:26 → 01:2005:350 min05:35104 min24 Jan
Singapore06:56 → 03:5006:390 min06:3978 min24 Jan
Sydney08:56 → 05:5004:470 min04:470 min25 Jan
Suva09:56 → 06:5004:190 min04:200 min25 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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