Ruling · Bahulā Caturthī · 1946

Friday 16 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 497 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 Thursday 15 August

Caturthī is absent from sāyāhna. Not taken.

17:29 sāyāhna beginssunset 20:14
17:0517:2917:5318:1718:4119:0519:2919:5320:1720:41

0 of 165 minutes covered

Late afternoon of Friday 16 August

Taken. The only late afternoon Caturthī reaches.

17:28 sāyāhna beginssunset 20:13
17:0417:2817:5218:1618:4019:0419:2819:5220:1620:40

164 of 164 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 05:46 on Fri 16 Aug to 04:29 on Sat 17 Aug.

    1946-08-15T20:46:26Z → 1946-08-16T19:29:30Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 17:29–20:14 on the 15th, 17:28–20:13 on the 16th.

    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 15th and 164 of 164 on the 16th.

    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 29816 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1946: Friday 16 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1946 falls on Friday 16 August. Caturthī runs from 05:46 on Fri 16 Aug to 04:29 on Sat 17 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1946/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 16 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 16 Aug
compat-drikpanchangComparison profileFri 16 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 15thCoveredSāyāhna 16thCoveredRuled
Los Angeles12:46 → 11:2915:59161 min15:580 min15 Aug
Chicago15:46 → 14:2917:04167 min17:040 min15 Aug
Jersey City16:46 → 15:2917:09166 min17:080 min15 Aug
Port of Spain16:46 → 15:2915:5598 min15:550 min15 Aug
London21:46 → 20:2917:280 min17:27175 min16 Aug
Durban22:46 → 21:2915:190 min15:19132 min16 Aug
Dubai00:46 → 23:2916:180 min16:17156 min16 Aug
Delhi02:16 → 00:5916:230 min16:22158 min16 Aug
Kolkata02:16 → 00:5915:340 min15:33155 min16 Aug
Singapore04:16 → 02:5916:180 min16:18146 min16 Aug
Sydney06:46 → 05:2915:150 min15:15130 min16 Aug
Suva08:46 → 07:2915:370 min15:38138 min16 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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