Ruling · Bahulā Caturthī · 1940

Wednesday 21 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 27 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 21 August

Taken. The only late afternoon Caturthī reaches.

17:23 sāyāhna beginssunset 20:05
16:5917:2317:4718:1118:3518:5919:2319:4720:1120:35

162 of 162 minutes covered

Late afternoon of Thursday 22 August

Caturthī is absent from sāyāhna. Not taken.

17:23 sāyāhna beginssunset 20:04
16:5917:2317:4718:1118:3518:5919:2319:4720:1120:35

0 of 161 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 14:19 on Wed 21 Aug to 16:56 on Thu 22 Aug.

    1940-08-21T05:19:25Z → 1940-08-22T07:55:58Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 17:23–20:05 on the 21st, 17:23–20:04 on the 22nd.

    sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 162 of 162 minutes on the 21st and 0 of 161 on the 22nd.

    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 1595 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1940: Wednesday 21 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1940 falls on Wednesday 21 August. Caturthī runs from 14:19 on Wed 21 Aug to 16:56 on Thu 22 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1940/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 21 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 21 Aug
compat-drikpanchangComparison profileWed 21 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 21stCoveredSāyāhna 22ndCoveredRuled
Los Angeles21:19 → 23:5615:54159 min15:530 min21 Aug
Chicago00:19 → 02:5616:58163 min16:570 min21 Aug
Jersey City01:19 → 03:5617:03163 min17:020 min21 Aug
Port of Spain01:19 → 03:5615:52149 min15:520 min21 Aug
London06:19 → 08:5617:20171 min17:180 min21 Aug
Durban07:19 → 09:5615:20134 min15:210 min21 Aug
Dubai09:19 → 11:5616:14155 min16:130 min21 Aug
Delhi10:49 → 13:2616:18156 min16:180 min21 Aug
Kolkata10:49 → 13:2615:30154 min15:290 min21 Aug
Singapore12:39 → 15:1616:06146 min16:060 min21 Aug
Sydney15:19 → 17:5615:17130 min15:17133 min21 Aug
Suva17:19 → 19:5615:3837 min15:38139 min21 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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