Ruling · Bahulā Caturthī · 2081

Saturday 23 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 474 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 22 August

Caturthī is absent from sāyāhna. Not taken.

16:22 sāyāhna beginssunset 19:03
15:5816:2216:4617:1017:3417:5818:2218:4619:1019:34

0 of 161 minutes covered

Late afternoon of Saturday 23 August

Taken. The only late afternoon Caturthī reaches.

16:21 sāyāhna beginssunset 19:02
15:5716:2116:4517:0917:3317:5718:2118:4519:0919:33

160 of 160 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 02:56 on Sat 23 Aug to 05:21 on Sun 24 Aug.

    2081-08-22T18:56:26Z → 2081-08-23T21:21:02Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:22–19:03 on the 22nd, 16:21–19:02 on the 23rd.

    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 161 minutes on the 22nd and 160 of 160 on the 23rd.

    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 28410 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2081: Saturday 23 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2081 falls on Saturday 23 August. Caturthī runs from 02:56 on Sat 23 Aug to 05:21 on Sun 24 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2081/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 23 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 23 Aug
compat-drikpanchangComparison profileSat 23 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 22ndCoveredSāyāhna 23rdCoveredRuled
Los Angeles11:56 → 14:2116:53158 min16:520 min22 Aug
Chicago13:56 → 16:2116:57162 min16:560 min22 Aug
Jersey City14:56 → 17:2117:01162 min17:0021 min22 Aug
Port of Spain14:56 → 17:2115:52149 min15:5289 min22 Aug
London19:56 → 22:2117:1711 min17:16169 min22 Aug
Durban20:56 → 23:2115:210 min15:21135 min23 Aug
Dubai22:56 → 01:2116:130 min16:12154 min23 Aug
Delhi00:26 → 02:5116:170 min16:17155 min23 Aug
Kolkata00:26 → 02:5115:290 min15:29153 min23 Aug
Singapore02:56 → 05:2116:460 min16:46146 min23 Aug
Sydney04:56 → 07:2115:180 min15:18133 min23 Aug
Suva06:56 → 09:2115:380 min15:38139 min23 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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