Ruling · Bahulā Caturthī · 1915

Saturday 28 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 535 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 Friday 27 August

Caturthī is absent from sāyāhna. Not taken.

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

0 of 159 minutes covered

Late afternoon of Saturday 28 August

Taken. The only late afternoon Caturthī reaches.

16:18 sāyāhna beginssunset 18:56
15:5416:1816:4217:0617:3017:5418:1818:4219:0619:30

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 03:53 on Sat 28 Aug to 04:31 on Sun 29 Aug.

    1915-08-27T19:52:50Z → 1915-08-28T20:30:39Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:19–18:58 on the 27th, 16:18–18:56 on the 28th.

    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 159 minutes on the 27th and 159 of 159 on the 28th.

    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 32093 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1915: Saturday 28 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1915 falls on Saturday 28 August. Caturthī runs from 03:53 on Sat 28 Aug to 04:31 on Sun 29 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1915/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 28 Aug
compat-drikpanchangComparison profileSat 28 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 27thCoveredSāyāhna 28thCoveredRuled
Los Angeles11:53 → 12:3115:49157 min15:490 min27 Aug
Chicago13:53 → 14:3115:53161 min15:520 min27 Aug
Jersey City14:53 → 15:3115:58160 min15:570 min27 Aug
Port of Spain15:53 → 16:3115:50146 min15:5041 min27 Aug
London19:53 → 20:3116:130 min16:11167 min28 Aug
Durban21:53 → 22:3115:210 min15:22136 min28 Aug
Dubai23:34 → 00:1215:510 min15:51153 min28 Aug
Delhi01:23 → 02:0116:150 min16:14154 min28 Aug
Kolkata01:23 → 02:0115:270 min15:26152 min28 Aug
Singapore02:53 → 03:3115:450 min15:45146 min28 Aug
Sydney05:53 → 06:3115:180 min15:19134 min28 Aug
Suva07:48 → 08:2615:330 min15:33140 min28 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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