Ruling · Bahulā Caturthī · 1993

Friday 6 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 338 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 Thursday 5 August

Caturthī is absent from sāyāhna. Not taken.

16:37 sāyāhna beginssunset 19:25
16:1316:3717:0117:2517:4918:1318:3719:0119:2519:49

0 of 169 minutes covered

Late afternoon of Friday 6 August

Taken. The only late afternoon Caturthī reaches.

16:36 sāyāhna beginssunset 19:24
16:1216:3617:0017:2417:4818:1218:3619:0019:2419:48

168 of 168 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 01:03 on Fri 6 Aug to 03:21 on Sat 7 Aug.

    1993-08-05T17:03:23Z → 1993-08-06T19:20:54Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:37–19:25 on the 5th, 16:36–19:24 on the 6th.

    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 169 minutes on the 5th and 168 of 168 on the 6th.

    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 20295 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1993: Friday 6 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1993 falls on Friday 6 August. Caturthī runs from 01:03 on Fri 6 Aug to 03:21 on Sat 7 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1993/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 6 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 6 Aug
compat-drikpanchangComparison profileFri 6 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 5thCoveredSāyāhna 6thCoveredRuled
Los Angeles10:03 → 12:2117:05164 min17:050 min5 Aug
Chicago12:03 → 14:2117:13171 min17:120 min5 Aug
Jersey City13:03 → 15:2117:17170 min17:160 min5 Aug
Port of Spain13:03 → 15:2115:58151 min15:580 min5 Aug
London18:03 → 20:2117:39158 min17:38163 min5 Aug
Durban19:03 → 21:2115:160 min15:16130 min6 Aug
Dubai21:03 → 23:2116:220 min16:22158 min6 Aug
Delhi22:33 → 00:5116:280 min16:28161 min6 Aug
Kolkata22:33 → 00:5115:380 min15:38157 min6 Aug
Singapore01:03 → 03:2116:490 min16:49146 min6 Aug
Sydney03:03 → 05:2115:110 min15:12127 min6 Aug
Suva05:03 → 07:2115:370 min15:37136 min6 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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