Ruling · Bahulā Caturthī · 1910

Wednesday 24 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 31 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 Tuesday 23 August

Caturthī is absent from sāyāhna. Not taken.

16:22 sāyāhna beginssunset 19:03
15:5816:2216:4617:1017:3417:5818:2218:4619:1019:34

0 of 161 minutes covered

Late afternoon of Wednesday 24 August

Taken. The only late afternoon Caturthī reaches.

16:21 sāyāhna beginssunset 19:02
Caturthī ends 18:30:46
15:5716:2116:4517:0917:3317:5718:2118:4519:0919:33

129 of 161 minutes covered, the first 129

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 20:56 on Tue 23 Aug to 18:31 on Wed 24 Aug.

    1910-08-23T12:55:54Z → 1910-08-24T10:30:47Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:22–19:03 on the 23rd, 16:21–19:02 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 0 of 161 minutes on the 23rd and 129 of 161 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 1872 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1910: Wednesday 24 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1910 falls on Wednesday 24 August. Caturthī runs from 20:56 on Tue 23 Aug to 18:31 on Wed 24 Aug and covers 129 of 161 minutes of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1910/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 24 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 24 Aug
compat-drikpanchangComparison profileWed 24 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 Angeles04:56 → 02:3115:53158 min15:520 min23 Aug
Chicago06:56 → 04:3115:57163 min15:560 min23 Aug
Jersey City07:56 → 05:3116:02162 min16:010 min23 Aug
Port of Spain08:56 → 06:3115:52149 min15:510 min23 Aug
London12:56 → 10:3116:18170 min16:170 min23 Aug
Durban14:56 → 12:3115:21135 min15:210 min23 Aug
Dubai16:37 → 14:1215:54111 min15:530 min23 Aug
Delhi18:26 → 16:0116:1727 min16:170 min23 Aug
Kolkata18:26 → 16:0115:290 min15:2832 min24 Aug
Singapore19:56 → 17:3115:460 min15:46105 min24 Aug
Sydney22:56 → 20:3115:170 min15:17133 min24 Aug
Suva00:51 → 22:2615:330 min15:33139 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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