Ruling · Bahulā Caturthī · 1923

Thursday 30 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 212 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 Wednesday 29 August

Caturthī is absent from sāyāhna. Not taken.

16:17 sāyāhna beginssunset 18:55
15:5316:1716:4117:0517:2917:5318:1718:4119:0519:29

0 of 158 minutes covered

Late afternoon of Thursday 30 August

Taken. The only late afternoon Caturthī reaches.

16:16 sāyāhna beginssunset 18:53
15:5216:1616:4017:0417:2817:5218:1618:4019:0419:28

158 of 158 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 22:27 on Wed 29 Aug to 00:37 on Fri 31 Aug.

    1923-08-29T14:27:01Z → 1923-08-30T16:37:11Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:55 on the 29th, 16:16–18:53 on the 30th.

    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 158 minutes on the 29th and 158 of 158 on the 30th.

    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 12726 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1923: Thursday 30 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1923 falls on Thursday 30 August. Caturthī runs from 22:27 on Wed 29 Aug to 00:37 on Fri 31 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1923/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 30 Aug
compat-drikpanchangComparison profileThu 30 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 29thCoveredSāyāhna 30thCoveredRuled
Los Angeles06:27 → 08:3715:48156 min15:470 min29 Aug
Chicago09:27 → 11:3716:51160 min16:500 min29 Aug
Jersey City10:27 → 12:3716:56159 min16:540 min29 Aug
Port of Spain10:27 → 12:3715:49148 min15:490 min29 Aug
London15:27 → 17:3717:10166 min17:0829 min29 Aug
Durban16:27 → 18:3715:2271 min15:22137 min29 Aug
Dubai18:27 → 20:3716:0914 min16:08152 min29 Aug
Delhi19:57 → 22:0716:130 min16:12154 min30 Aug
Kolkata19:57 → 22:0715:250 min15:25152 min30 Aug
Singapore21:27 → 23:3715:440 min15:44146 min30 Aug
Sydney00:27 → 02:3715:190 min15:19135 min30 Aug
Suva02:27 → 04:3715:380 min15:38140 min30 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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