Ruling · Yama Tarpaṇa · 2068

Thursday 2 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 52 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 2 February

Taken. The only dawn Caturdaśī reaches.

05:34 aruṇodaya beginssunrise 07:24
05:1005:3405:5806:2206:4607:1007:3407:58

110 of 110 minutes covered

Dawn of Friday 3 February

Caturdaśī is absent from aruṇodaya. Not taken.

05:34 aruṇodaya beginssunrise 07:23
05:1005:3405:5806:2206:4607:1007:3407:58

0 of 110 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 04:42 on Thu 2 Feb to 01:24 on Fri 3 Feb.

    2068-02-01T20:42:29Z → 2068-02-02T17:24:29Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:34–07:24 on the 2nd, 05:34–07:23 on the 3rd.

    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 2nd and 0 of 110 on the 3rd.

    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 3103 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 2068: Thursday 2 February.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 2068 falls on Thursday 2 February. Caturdaśī runs from 04:42 on Thu 2 Feb to 01:24 on Fri 3 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2068/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 2 Feb
compat-drikpanchangComparison profileThu 2 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 1stCoveredAruṇodaya 2ndCoveredRuled
Los Angeles12:42 → 09:2405:030 min05:02108 min2 Feb
Chicago14:42 → 11:2405:120 min05:11112 min2 Feb
Jersey City15:42 → 12:2405:150 min05:15111 min2 Feb
Port of Spain16:42 → 13:2404:510 min04:5199 min2 Feb
London20:42 → 17:2405:410 min05:39118 min2 Feb
Durban22:42 → 19:2404:010 min04:0184 min2 Feb
Dubai00:42 → 21:2405:180 min05:18104 min2 Feb
Delhi02:12 → 22:5405:240 min05:24105 min2 Feb
Kolkata02:12 → 22:5404:330 min04:33103 min2 Feb
Singapore04:42 → 01:2405:410 min05:4196 min2 Feb
Sydney07:42 → 04:2404:540 min04:550 min2 Feb
Suva08:42 → 05:2404:240 min04:250 min3 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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