Ruling · Bahulā Caturthī · 2062

Wednesday 23 August

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 43 s away. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two late afternoons

One ghaṭī is 24 minutes. Sāyāhna is last 3 of 15 day muhūrtas.

Late afternoon of Wednesday 23 August

Taken. The only late afternoon Caturthī reaches.

16:21 sāyāhna beginssunset 19:02
15:5716:2116:4517:0917:3317:5718:2118:4519:0919:33

161 of 161 minutes covered

Late afternoon of Thursday 24 August

Caturthī is absent from sāyāhna. Not taken.

16:20 sāyāhna beginssunset 19:01
Caturthī ends 16:19:44
15:5616:2016:4417:0817:3217:5618:2018:4419:0819:32

0 of 160 minutes covered

Caturthī presentSāyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 15:52 on Wed 23 Aug to 16:20 on Thu 24 Aug.

    2062-08-23T07:52:20Z → 2062-08-24T08:19:45Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:21–19:02 on the 23rd, 16:20–19:01 on the 24th.

    sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 161 of 161 minutes on the 23rd and 0 of 160 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one late afternoon qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 43 s < 300 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2062: Wednesday 23 August.

    confidence: boundary (margin)

Say it like this

In Baoding, Bahulā Caturthī 2062 falls on Wednesday 23 August. Caturthī runs from 15:52 on Wed 23 Aug to 16:20 on Thu 24 Aug and covers all of sāyāhna that late afternoon. It is 0 min 43 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2062/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 23 Aug
compat-drikpanchangComparison profileWed 23 Aug
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/bahula-chaturthi · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturthī
Kāla
Sāyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīSāyāhna 23rdCoveredSāyāhna 24thCoveredRuled
Los Angeles00:52 → 01:2016:52158 min16:510 min23 Aug
Chicago02:52 → 03:2016:56162 min16:550 min23 Aug
Jersey City03:52 → 04:2017:01161 min17:000 min23 Aug
Port of Spain03:52 → 04:2015:52149 min15:510 min23 Aug
London08:52 → 09:2017:17169 min17:150 min23 Aug
Durban09:52 → 10:2015:21135 min15:210 min23 Aug
Dubai11:52 → 12:2016:12154 min16:120 min23 Aug
Delhi13:22 → 13:5016:17155 min16:160 min23 Aug
Kolkata13:22 → 13:5015:29153 min15:280 min23 Aug
Singapore15:52 → 16:2016:46146 min16:460 min23 Aug
Sydney17:52 → 18:2015:180 min15:18133 min24 Aug
Suva19:52 → 20:2015:380 min15:38139 min24 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
bahula-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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