Ruling · Bahulā Caturthī · 1968

Sunday 11 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 13 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 11 August

Taken. The only late afternoon Caturthī reaches.

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

166 of 166 minutes covered

Late afternoon of Monday 12 August

Caturthī is absent from sāyāhna. Not taken.

16:31 sāyāhna beginssunset 19:17
Caturthī ends 16:18:07
16:0716:3116:5517:1917:4318:0718:3118:5519:1919:43

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 16:03 on Sun 11 Aug to 16:18 on Mon 12 Aug.

    1968-08-11T08:03:16Z → 1968-08-12T08:18:07Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:32–19:18 on the 11th, 16:31–19:17 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 786 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1968: Sunday 11 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1968 falls on Sunday 11 August. Caturthī runs from 16:03 on Sun 11 Aug to 16:18 on Mon 12 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1968/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 11 Aug
compat-drikpanchangComparison profileSun 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 11thCoveredSāyāhna 12thCoveredRuled
Los Angeles01:03 → 01:1817:01162 min17:010 min11 Aug
Chicago03:03 → 03:1817:08168 min17:070 min11 Aug
Jersey City04:03 → 04:1817:12167 min17:110 min11 Aug
Port of Spain04:03 → 04:1815:56150 min15:560 min11 Aug
London09:03 → 09:1817:32178 min17:310 min11 Aug
Durban10:03 → 10:1815:18131 min15:180 min11 Aug
Dubai12:03 → 12:1816:19157 min16:190 min11 Aug
Delhi13:33 → 13:4816:25159 min16:240 min11 Aug
Kolkata13:33 → 13:4815:35156 min15:350 min11 Aug
Singapore15:33 → 15:4816:18146 min16:180 min11 Aug
Sydney18:03 → 18:1815:130 min15:14129 min12 Aug
Suva20:03 → 20:1815:370 min15:37137 min12 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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