Ruling · Bahulā Caturthī · 1957

Wednesday 14 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 539 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 13 August

Caturthī is absent from sāyāhna. Not taken.

16:31 sāyāhna beginssunset 19:16
16:0716:3116:5517:1917:4318:0718:3118:5519:1919:43

0 of 165 minutes covered

Late afternoon of Wednesday 14 August

Taken. The only late afternoon Caturthī reaches.

16:30 sāyāhna beginssunset 19:15
16:0616:3016:5417:1817:4218:0618:3018:5419:1819:42

165 of 165 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 04:15 on Wed 14 Aug to 06:40 on Thu 15 Aug.

    1957-08-13T20:14:54Z → 1957-08-14T22:39:51Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:31–19:16 on the 13th, 16:30–19:15 on the 14th.

    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 165 minutes on the 13th and 165 of 165 on the 14th.

    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 32335 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1957: Wednesday 14 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1957 falls on Wednesday 14 August. Caturthī runs from 04:15 on Wed 14 Aug to 06:40 on Thu 15 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1957/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 14 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 14 Aug
compat-drikpanchangComparison profileWed 14 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 13thCoveredSāyāhna 14thCoveredRuled
Los Angeles13:15 → 15:4017:00162 min16:590 min13 Aug
Chicago15:15 → 17:4017:06167 min17:0535 min13 Aug
Jersey City16:15 → 18:4017:10166 min17:1090 min13 Aug
Port of Spain16:15 → 18:4015:55130 min15:55150 min13 Aug
London21:15 → 23:4017:300 min17:29176 min14 Aug
Durban22:15 → 00:4015:180 min15:19132 min14 Aug
Dubai00:15 → 02:4016:180 min16:18156 min14 Aug
Delhi01:45 → 04:1016:240 min16:23158 min14 Aug
Kolkata01:45 → 04:1015:340 min15:34155 min14 Aug
Singapore03:45 → 06:1016:180 min16:18146 min14 Aug
Sydney06:15 → 08:4015:140 min15:14130 min14 Aug
Suva08:15 → 10:4015:370 min15:37138 min14 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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