Ruling · Yama Tarpaṇa · 1962

Sunday 4 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 249 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 Saturday 3 February

Caturdaśī is absent from aruṇodaya. Not taken.

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

0 of 110 minutes covered

Dawn of Sunday 4 February

Taken. The only dawn Caturdaśī reaches.

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

110 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 14:34 on Sat 3 Feb to 11:32 on Sun 4 Feb.

    1962-02-03T06:34:11Z → 1962-02-04T03:32:08Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:34–07:24 on the 3rd, 05:33–07:23 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 110 of 110 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 14960 s

  5. 05

    Ruling

    Yama Tarpaṇa, Baoding, 1962: Sunday 4 February.

    confidence: determinate

Say it like this

In Baoding, Yama Tarpaṇa 1962 falls on Sunday 4 February. Caturdaśī runs from 14:34 on Sat 3 Feb to 11:32 on Sun 4 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1962/yama-tarpana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 4 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 4 Feb
compat-drikpanchangComparison profileSun 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 Angeles22:34 → 19:3205:02107 min05:010 min3 Feb
Chicago00:34 → 21:3205:10111 min05:100 min3 Feb
Jersey City01:34 → 22:3205:14111 min05:140 min3 Feb
Port of Spain02:34 → 23:3204:5199 min04:510 min3 Feb
London06:34 → 03:3205:3963 min05:380 min3 Feb
Durban08:34 → 05:3204:020 min04:0385 min4 Feb
Dubai10:34 → 07:3205:180 min05:17104 min4 Feb
Delhi12:04 → 09:0205:240 min05:23105 min4 Feb
Kolkata12:04 → 09:0204:330 min04:32103 min4 Feb
Singapore14:04 → 11:0205:110 min05:1196 min4 Feb
Sydney16:34 → 13:3203:560 min03:5783 min4 Feb
Suva18:34 → 15:3204:250 min04:2589 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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