Ruling · Yama Tarpaṇa · 2095

Friday 4 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 78 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 3 February

Caturdaśī is absent from aruṇodaya. Not taken.

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

0 of 110 minutes covered

Dawn of Friday 4 February

Taken. The only dawn Caturdaśī reaches.

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

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 11:22 on Thu 3 Feb to 08:40 on Fri 4 Feb.

    2095-02-03T03:21:36Z → 2095-02-04T00:39:47Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:33–07:23 on the 3rd, 05:33–07:22 on the 4th.

    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 110 minutes on the 3rd and 109 of 109 on the 4th.

    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 4660 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 2095: Friday 4 February.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 2095 falls on Friday 4 February. Caturdaśī runs from 11:22 on Thu 3 Feb to 08:40 on Fri 4 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2095/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 4 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 4 Feb
compat-drikpanchangComparison profileFri 4 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 3rdCoveredAruṇodaya 4thCoveredRuled
Los Angeles19:22 → 16:4005:01107 min05:010 min3 Feb
Chicago21:22 → 18:4005:10111 min05:090 min3 Feb
Jersey City22:22 → 19:4005:14111 min05:130 min3 Feb
Port of Spain23:22 → 20:4004:5199 min04:510 min3 Feb
London03:22 → 00:4005:38118 min05:370 min3 Feb
Durban05:22 → 02:4004:025 min04:030 min3 Feb
Dubai07:22 → 04:4005:170 min05:170 min3 Feb
Delhi08:52 → 06:1005:230 min05:2347 min4 Feb
Kolkata08:52 → 06:1004:330 min04:3298 min4 Feb
Singapore11:22 → 08:4005:410 min05:4196 min4 Feb
Sydney14:22 → 11:4004:560 min04:5783 min4 Feb
Suva15:22 → 12:4004:250 min04:2689 min4 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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