Ruling · Yama Tarpaṇa · 2044

Friday 29 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 83 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 Thursday 28 January

Caturdaśī is absent from aruṇodaya. Not taken.

05:37 aruṇodaya beginssunrise 07:29
05:1305:3706:0106:2506:4907:1307:3708:01

0 of 111 minutes covered

Dawn of Friday 29 January

Taken. The only dawn Caturdaśī reaches.

05:37 aruṇodaya beginssunrise 07:28
05:1305:3706:0106:2506:4907:1307:3708:01

111 of 111 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 08:52 on Thu 28 Jan to 10:40 on Fri 29 Jan.

    2044-01-28T00:51:43Z → 2044-01-29T02:39:59Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:37–07:29 on the 28th, 05:37–07:28 on the 29th.

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

  3. 03

    Rule

    Caturdaśī must be present during aruṇodaya. It covers 0 of 111 minutes on the 28th and 111 of 111 on the 29th.

    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 4989 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 2044: Friday 29 January.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 2044 falls on Friday 29 January. Caturdaśī runs from 08:52 on Thu 28 Jan to 10:40 on Fri 29 Jan and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2044/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 29 Jan
Ahargaṇa, classicalDisc centre, no refractionFri 29 Jan
compat-drikpanchangComparison profileFri 29 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 28thCoveredAruṇodaya 29thCoveredRuled
Los Angeles16:52 → 18:4005:04109 min05:040 min28 Jan
Chicago18:52 → 20:4005:14113 min05:140 min28 Jan
Jersey City19:52 → 21:4005:18112 min05:170 min28 Jan
Port of Spain20:52 → 22:4004:5199 min04:510 min28 Jan
London00:52 → 02:4005:45121 min05:440 min28 Jan
Durban02:52 → 04:4003:5883 min03:5842 min28 Jan
Dubai04:52 → 06:4005:19105 min05:1981 min28 Jan
Delhi06:22 → 08:1005:2650 min05:25106 min29 Jan
Kolkata06:22 → 08:1004:340 min04:34103 min29 Jan
Singapore08:52 → 10:4005:400 min05:4096 min29 Jan
Sydney11:52 → 13:4004:510 min04:5281 min29 Jan
Suva12:52 → 14:4004:220 min04:2388 min29 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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