Ruling · Bahulā Caturthī · 1976

Friday 13 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 291 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 13 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

Late afternoon of Saturday 14 August

Caturthī is absent from sāyāhna. Not taken.

16:30 sāyāhna beginssunset 19:14
16:0616:3016:5417:1817:4218:0618:3018:5419:1819:42

0 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 09:48 on Fri 13 Aug to 11:38 on Sat 14 Aug.

    1976-08-13T01:48:23Z → 1976-08-14T03:38:24Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:30–19:15 on the 13th, 16:30–19:14 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 165 of 165 minutes on the 13th and 0 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 17467 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1976: Friday 13 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1976 falls on Friday 13 August. Caturthī runs from 09:48 on Fri 13 Aug to 11:38 on Sat 14 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1976/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 13 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 13 Aug
compat-drikpanchangComparison profileFri 13 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 Angeles18:48 → 20:3817:00162 min16:590 min12 Aug
Chicago20:48 → 22:3817:06167 min17:050 min13 Aug
Jersey City21:48 → 23:3817:10166 min17:090 min13 Aug
Port of Spain21:48 → 23:3815:55150 min15:550 min13 Aug
London02:48 → 04:3817:30177 min17:280 min13 Aug
Durban03:48 → 05:3815:18132 min15:190 min13 Aug
Dubai05:48 → 07:3816:18157 min16:180 min13 Aug
Delhi07:18 → 09:0816:24159 min16:230 min13 Aug
Kolkata07:18 → 09:0815:34155 min15:340 min13 Aug
Singapore09:18 → 11:0816:18146 min16:180 min13 Aug
Sydney11:48 → 13:3815:14129 min15:150 min13 Aug
Suva13:48 → 15:3815:37137 min15:381 min13 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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