Ruling · Bahulā Caturthī · 1984

Wednesday 15 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 483 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 15 August

Taken. The only late afternoon Caturthī reaches.

16:29 sāyāhna beginssunset 19:13
16:0516:2916:5317:1717:4118:0518:2918:5319:1719:41

164 of 164 minutes covered

Late afternoon of Thursday 16 August

Caturthī is absent from sāyāhna. Not taken.

16:28 sāyāhna beginssunset 19:12
16:0416:2816:5217:1617:4018:0418:2818:5219:1619:40

0 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 05:56 on Wed 15 Aug to 08:25 on Thu 16 Aug.

    1984-08-14T21:56:29Z → 1984-08-16T00:25:00Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:29–19:13 on the 15th, 16:28–19:12 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 164 of 164 minutes on the 15th and 0 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 28965 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1984: Wednesday 15 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1984 falls on Wednesday 15 August. Caturthī runs from 05:56 on Wed 15 Aug to 08:25 on Thu 16 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1984/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 15 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 15 Aug
compat-drikpanchangComparison profileWed 15 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 14thCoveredSāyāhna 16thCoveredRuled
Los Angeles14:56 → 17:2516:59161 min16:580 min14 Aug
Chicago16:56 → 19:2517:05167 min17:030 min14 Aug
Jersey City17:56 → 20:2517:09118 min17:070 min14 Aug
Port of Spain17:56 → 20:2515:5528 min15:540 min14 Aug
London22:56 → 01:2517:280 min17:260 min15 Aug
Durban23:56 → 02:2515:190 min15:190 min15 Aug
Dubai01:56 → 04:2516:180 min16:170 min15 Aug
Delhi03:26 → 05:5516:230 min16:220 min15 Aug
Kolkata03:26 → 05:5515:340 min15:330 min15 Aug
Singapore05:56 → 08:2516:480 min16:470 min15 Aug
Sydney07:56 → 10:2515:150 min15:150 min15 Aug
Suva09:56 → 12:2515:380 min15:380 min15 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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