Ruling · Bahulā Caturthī · 2040

Saturday 25 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 478 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 Saturday 25 August

Taken. The only late afternoon Caturthī reaches.

16:19 sāyāhna beginssunset 18:58
15:5516:1916:4317:0717:3117:5518:1918:4319:0719:31

159 of 159 minutes covered

Late afternoon of Sunday 26 August

Caturthī is absent from sāyāhna. Not taken.

16:18 sāyāhna beginssunset 18:57
15:5416:1816:4217:0617:3017:5418:1818:4219:0619:30

0 of 159 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 08:21 on Sat 25 Aug to 06:39 on Sun 26 Aug.

    2040-08-25T00:20:50Z → 2040-08-25T22:38:55Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:19–18:58 on the 25th, 16:18–18:57 on the 26th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 159 of 159 minutes on the 25th and 0 of 159 on the 26th.

    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 28692 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2040: Saturday 25 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2040 falls on Saturday 25 August. Caturthī runs from 08:21 on Sat 25 Aug to 06:39 on Sun 26 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2040/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 25 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 25 Aug
compat-drikpanchangComparison profileSat 25 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 25thCoveredSāyāhna 26thCoveredRuled
Los Angeles17:21 → 15:3916:500 min16:490 min24 Aug
Chicago19:21 → 17:3916:5346 min16:520 min24 Aug
Jersey City20:21 → 18:3916:58101 min16:570 min25 Aug
Port of Spain20:21 → 18:3915:51148 min15:500 min25 Aug
London01:21 → 23:3917:13168 min17:120 min25 Aug
Durban02:21 → 00:3915:22136 min15:220 min25 Aug
Dubai04:21 → 02:3916:11153 min16:100 min25 Aug
Delhi05:51 → 04:0916:15155 min16:140 min25 Aug
Kolkata05:51 → 04:0915:27152 min15:260 min25 Aug
Singapore08:21 → 06:3916:45146 min16:450 min25 Aug
Sydney10:21 → 08:3915:18134 min15:190 min25 Aug
Suva12:21 → 10:3915:38140 min15:380 min25 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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