Ruling · Yama Tarpaṇa · 2035

Wednesday 7 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 426 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 6 February

Caturdaśī is absent from aruṇodaya. Not taken.

05:31 aruṇodaya beginssunrise 07:20
05:0705:3105:5506:1906:4307:0707:31

0 of 109 minutes covered

Dawn of Wednesday 7 February

Taken. The only dawn Caturdaśī reaches.

05:31 aruṇodaya beginssunrise 07:19
05:0705:3105:5506:1906:4307:0707:31

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 14:27 on Tue 6 Feb to 15:39 on Wed 7 Feb.

    2035-02-06T06:26:40Z → 2035-02-07T07:38:53Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:31–07:20 on the 6th, 05:31–07:19 on the 7th.

    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 6th and 109 of 109 on the 7th.

    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 25577 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 2035: Wednesday 7 February.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 2035 falls on Wednesday 7 February. Caturdaśī runs from 14:27 on Tue 6 Feb to 15:39 on Wed 7 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2035/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 7 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 7 Feb
compat-drikpanchangComparison profileWed 7 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 6thCoveredAruṇodaya 7thCoveredRuled
Los Angeles22:27 → 23:3905:00107 min04:590 min6 Feb
Chicago00:27 → 01:3905:08110 min05:070 min6 Feb
Jersey City01:27 → 02:3905:12110 min05:110 min6 Feb
Port of Spain02:27 → 03:3904:5098 min04:500 min6 Feb
London06:27 → 07:3905:3565 min05:34116 min7 Feb
Durban08:27 → 09:3904:040 min04:0585 min7 Feb
Dubai10:27 → 11:3905:160 min05:16103 min7 Feb
Delhi11:57 → 13:0905:220 min05:22104 min7 Feb
Kolkata11:57 → 13:0904:320 min04:31102 min7 Feb
Singapore14:27 → 15:3905:410 min05:4196 min7 Feb
Sydney17:27 → 18:3904:580 min04:5983 min7 Feb
Suva18:27 → 19:3904:260 min04:2790 min7 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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