Ruling · Bahulā Caturthī · 1922

Friday 11 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 426 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 Friday 11 August

Taken. The only late afternoon Caturthī reaches.

16:33 sāyāhna beginssunset 19:19
16:0916:3316:5717:2117:4518:0918:3318:5719:2119:45

166 of 166 minutes covered

Late afternoon of Saturday 12 August

Caturthī is absent from sāyāhna. Not taken.

16:32 sāyāhna beginssunset 19:18
16:0816:3216:5617:2017:4418:0818:3218:5619:2019:44

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 06:49 on Fri 11 Aug to 09:26 on Sat 12 Aug.

    1922-08-10T22:49:23Z → 1922-08-12T01:26:08Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:33–19:19 on the 11th, 16:32–19:18 on the 12th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 166 of 166 minutes on the 11th and 0 of 166 on the 12th.

    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 25543 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1922: Friday 11 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1922 falls on Friday 11 August. Caturthī runs from 06:49 on Fri 11 Aug to 09:26 on Sat 12 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1922/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 11 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 11 Aug
compat-drikpanchangComparison profileFri 11 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 12thCoveredRuled
Los Angeles14:49 → 17:2616:03163 min16:010 min10 Aug
Chicago17:49 → 20:2617:09129 min17:070 min10 Aug
Jersey City18:49 → 21:2617:1372 min17:120 min10 Aug
Port of Spain18:49 → 21:2615:570 min15:560 min11 Aug
London23:49 → 02:2617:340 min17:320 min11 Aug
Durban00:49 → 03:2615:170 min15:180 min11 Aug
Dubai02:49 → 05:2616:200 min16:190 min11 Aug
Delhi04:19 → 06:5616:260 min16:250 min11 Aug
Kolkata04:19 → 06:5615:360 min15:350 min11 Aug
Singapore05:49 → 08:2615:490 min15:480 min11 Aug
Sydney08:49 → 11:2615:130 min15:130 min11 Aug
Suva10:49 → 13:2615:370 min15:370 min11 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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