Ruling · Yama Tarpaṇa · 2008

Wednesday 6 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 254 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 Tuesday 5 February

Caturdaśī is absent from aruṇodaya. Not taken.

05:33 aruṇodaya beginssunrise 07:22
05:0905:3305:5706:2106:4507:0907:33

0 of 109 minutes covered

Dawn of Wednesday 6 February

Taken. The only dawn Caturdaśī reaches.

05:32 aruṇodaya beginssunrise 07:21
05:0805:3205:5606:2006:4407:0807:32

109 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 11:36 on Tue 5 Feb to 11:57 on Wed 6 Feb.

    2008-02-05T03:35:39Z → 2008-02-06T03:56:34Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:33–07:22 on the 5th, 05:32–07:21 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 0 of 109 minutes on the 5th and 109 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 15225 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 2008: Wednesday 6 February.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 2008 falls on Wednesday 6 February. Caturdaśī runs from 11:36 on Tue 5 Feb to 11:57 on Wed 6 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2008/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 6 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 6 Feb
compat-drikpanchangComparison profileWed 6 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 5thCoveredAruṇodaya 6thCoveredRuled
Los Angeles19:36 → 19:5705:01107 min05:000 min5 Feb
Chicago21:36 → 21:5705:09111 min05:080 min5 Feb
Jersey City22:36 → 22:5705:13110 min05:120 min5 Feb
Port of Spain23:36 → 23:5704:5198 min04:510 min5 Feb
London03:36 → 03:5705:37117 min05:350 min5 Feb
Durban05:36 → 05:5704:030 min04:0485 min6 Feb
Dubai07:36 → 07:5705:170 min05:16103 min6 Feb
Delhi09:06 → 09:2705:230 min05:22105 min6 Feb
Kolkata09:06 → 09:2704:320 min04:32102 min6 Feb
Singapore11:36 → 11:5705:410 min05:4196 min6 Feb
Sydney14:36 → 14:5704:570 min04:5883 min6 Feb
Suva15:36 → 15:5704:260 min04:2689 min6 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

About Ahargaṇa