Ruling · Bahulā Caturthī · 1983

Saturday 27 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 596 minutes.

Decide it for

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 27 August

Taken. The only late afternoon Caturthī reaches.

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

159 of 159 minutes covered

Late afternoon of Sunday 28 August

Caturthī is absent from sāyāhna. Not taken.

16:17 sāyāhna beginssunset 18:56
15:5316:1716:4117:0517:2917:5318:1718:4119:0519:29

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 04:58 on Sat 27 Aug to 06:21 on Sun 28 Aug.

    1983-08-26T20:57:42Z → 1983-08-27T22:20:57Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:18–18:57 on the 27th, 16:17–18:56 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 159 of 159 minutes on the 27th and 0 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 35772 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1983: Saturday 27 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1983 falls on Saturday 27 August. Caturthī runs from 04:58 on Sat 27 Aug to 06:21 on Sun 28 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1983/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 27 Aug
compat-drikpanchangComparison profileSat 27 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 26thCoveredSāyāhna 27thCoveredRuled
Los Angeles13:58 → 15:2116:50157 min16:490 min26 Aug
Chicago15:58 → 17:2116:53161 min16:5229 min26 Aug
Jersey City16:58 → 18:2116:58160 min16:5784 min26 Aug
Port of Spain16:58 → 18:2115:5181 min15:50148 min26 Aug
London21:58 → 23:2117:130 min17:12167 min27 Aug
Durban22:58 → 00:2115:210 min15:22136 min27 Aug
Dubai00:58 → 02:2116:110 min16:10153 min27 Aug
Delhi02:28 → 03:5116:150 min16:14154 min27 Aug
Kolkata02:28 → 03:5115:270 min15:26152 min27 Aug
Singapore04:58 → 06:2116:450 min16:45146 min27 Aug
Sydney06:58 → 08:2115:180 min15:19134 min27 Aug
Suva08:58 → 10:2115:380 min15:38140 min27 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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