Ruling · Bahulā Caturthī · 2089

Thursday 25 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 72 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 24 August

Caturthī is absent from sāyāhna. Not taken.

16:20 sāyāhna beginssunset 19:00
15:5616:2016:4417:0817:3217:5618:2018:4419:0819:32

0 of 160 minutes covered

Late afternoon of Thursday 25 August

Taken. The only late afternoon Caturthī reaches.

16:19 sāyāhna beginssunset 18:59
15:5516:1916:4317:0717:3117:5518:1918:4319:0719:31

159 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 20:12 on Wed 24 Aug to 21:29 on Thu 25 Aug.

    2089-08-24T12:11:52Z → 2089-08-25T13:29:05Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:20–19:00 on the 24th, 16:19–18:59 on the 25th.

    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 160 minutes on the 24th and 159 of 159 on the 25th.

    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 4311 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2089: Thursday 25 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2089 falls on Thursday 25 August. Caturthī runs from 20:12 on Wed 24 Aug to 21:29 on Thu 25 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2089/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 25 Aug
compat-drikpanchangComparison profileThu 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 24thCoveredSāyāhna 25thCoveredRuled
Los Angeles05:12 → 06:2916:51157 min16:500 min24 Aug
Chicago07:12 → 08:2916:55161 min16:530 min24 Aug
Jersey City08:12 → 09:2916:59161 min16:580 min24 Aug
Port of Spain08:12 → 09:2915:51149 min15:510 min24 Aug
London13:12 → 14:2917:15168 min17:130 min24 Aug
Durban14:12 → 15:2915:22135 min15:227 min24 Aug
Dubai16:12 → 17:2916:12153 min16:1178 min24 Aug
Delhi17:42 → 18:5916:1669 min16:15155 min24 Aug
Kolkata17:42 → 18:5915:2819 min15:27152 min24 Aug
Singapore20:12 → 21:2916:460 min16:45146 min25 Aug
Sydney22:12 → 23:2915:190 min15:19134 min25 Aug
Suva00:12 → 01:2915:380 min15:38140 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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