Ruling · Yama Tarpaṇa · 1992

Sunday 2 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 314 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 Sunday 2 February

Taken. The only dawn Caturdaśī reaches.

05:35 aruṇodaya beginssunrise 07:25
05:1105:3505:5906:2306:4707:1107:3507:59

110 of 110 minutes covered

Dawn of Monday 3 February

Caturdaśī is absent from aruṇodaya. Not taken.

05:34 aruṇodaya beginssunrise 07:24
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 21:35 on Sat 1 Feb to 00:20 on Mon 3 Feb.

    1992-02-01T13:35:28Z → 1992-02-02T16:20:09Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:35–07:25 on the 2nd, 05:34–07:24 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 18829 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 1992: Sunday 2 February.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 1992 falls on Sunday 2 February. Caturdaśī runs from 21:35 on Sat 1 Feb to 00:20 on Mon 3 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1992/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 2 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 2 Feb
compat-drikpanchangComparison profileSun 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 Angeles05:35 → 08:2005:0375 min05:02108 min2 Feb
Chicago07:35 → 10:2005:120 min05:11112 min2 Feb
Jersey City08:35 → 11:2005:160 min05:15111 min2 Feb
Port of Spain09:35 → 12:2004:510 min04:5199 min2 Feb
London13:35 → 16:2005:410 min05:40119 min2 Feb
Durban15:35 → 18:2004:000 min04:0184 min2 Feb
Dubai17:35 → 20:2005:180 min05:18104 min2 Feb
Delhi19:05 → 21:5005:250 min05:24105 min2 Feb
Kolkata19:05 → 21:5004:330 min04:33103 min2 Feb
Singapore21:35 → 00:2005:410 min05:4196 min2 Feb
Sydney00:35 → 03:2004:540 min04:5582 min2 Feb
Suva01:35 → 04:2004:240 min04:2489 min2 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