Ruling · Yama Tarpaṇa · 1932

Friday 5 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 418 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 Friday 5 February

Taken. The only dawn Caturdaśī reaches.

05:33 aruṇodaya beginssunrise 07:23
05:0905:3305:5706:2106:4507:0907:33

110 of 110 minutes covered

Dawn of Saturday 6 February

Caturdaśī is absent from aruṇodaya. Not taken.

05:32 aruṇodaya beginssunrise 07:22
05:0805:3205:5606:2006:4407:0807:32

0 of 109 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 22:35 on Thu 4 Feb to 22:26 on Fri 5 Feb.

    1932-02-04T14:35:11Z → 1932-02-05T14:25:32Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:33–07:23 on the 5th, 05:32–07:22 on the 6th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 110 of 110 minutes on the 5th and 0 of 109 on the 6th.

    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 25073 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 1932: Friday 5 February.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 1932 falls on Friday 5 February. Caturdaśī runs from 22:35 on Thu 4 Feb to 22:26 on Fri 5 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1932/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 5 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 5 Feb
compat-drikpanchangComparison profileFri 5 Feb
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 4thCoveredAruṇodaya 5thCoveredRuled
Los Angeles06:35 → 06:2605:0214 min05:0184 min5 Feb
Chicago08:35 → 08:2605:100 min05:09111 min5 Feb
Jersey City09:35 → 09:2605:140 min05:14110 min5 Feb
Port of Spain10:35 → 10:2604:510 min04:5198 min5 Feb
London14:35 → 14:2605:390 min05:37118 min5 Feb
Durban16:35 → 16:2604:020 min04:0385 min5 Feb
Dubai18:35 → 18:2605:180 min05:17103 min5 Feb
Delhi20:05 → 19:5605:240 min05:23105 min5 Feb
Kolkata20:05 → 19:5604:330 min04:32103 min5 Feb
Singapore21:35 → 21:2604:410 min04:4196 min5 Feb
Sydney00:35 → 00:2603:560 min03:5783 min5 Feb
Suva02:35 → 02:2604:250 min04:2689 min5 Feb
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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