Ruling · Bahulā Caturthī · 1941

Sunday 10 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 140 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Sunday 10 August

Taken. The only late afternoon Caturthī reaches.

17:33 sāyāhna beginssunset 20:20
17:0917:3317:5718:2118:4519:0919:3319:5720:2120:45

167 of 167 minutes covered

Late afternoon of Monday 11 August

Caturthī is absent from sāyāhna. Not taken.

17:32 sāyāhna beginssunset 20:19
17:0817:3217:5618:2018:4419:0819:3219:5620:2020:44

0 of 166 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 14:05 on Sun 10 Aug to 15:13 on Mon 11 Aug.

    1941-08-10T05:05:29Z → 1941-08-11T06:12:36Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 17:33–20:20 on the 10th, 17:32–20:19 on the 11th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 167 of 167 minutes on the 10th and 0 of 166 on the 11th.

    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 8386 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1941: Sunday 10 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1941 falls on Sunday 10 August. Caturthī runs from 14:05 on Sun 10 Aug to 15:13 on Mon 11 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1941/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 10 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 10 Aug
compat-drikpanchangComparison profileSun 10 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 10thCoveredSāyāhna 11thCoveredRuled
Los Angeles21:05 → 22:1316:02163 min16:020 min10 Aug
Chicago00:05 → 01:1317:09169 min17:080 min10 Aug
Jersey City01:05 → 02:1317:13168 min17:120 min10 Aug
Port of Spain01:05 → 02:1315:56150 min15:560 min10 Aug
London06:05 → 07:1317:34179 min17:330 min10 Aug
Durban07:05 → 08:1315:17131 min15:180 min10 Aug
Dubai09:05 → 10:1316:20157 min16:200 min10 Aug
Delhi10:35 → 11:4316:26160 min16:250 min10 Aug
Kolkata10:35 → 11:4315:36156 min15:350 min10 Aug
Singapore12:25 → 13:3316:09146 min16:090 min10 Aug
Sydney15:05 → 16:1315:13128 min15:1359 min10 Aug
Suva17:05 → 18:1315:3748 min15:37137 min10 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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