Ruling · Bahulā Caturthī · 2005

Monday 22 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 34 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 Monday 22 August

Taken. The only late afternoon Caturthī reaches.

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

161 of 161 minutes covered

Late afternoon of Tuesday 23 August

Caturthī is absent from sāyāhna. Not taken.

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

0 of 161 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 15:48 on Mon 22 Aug to 13:29 on Tue 23 Aug.

    2005-08-22T07:48:13Z → 2005-08-23T05:28:50Z

  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 161 of 161 minutes on the 22nd and 0 of 161 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 2050 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2005: Monday 22 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2005 falls on Monday 22 August. Caturthī runs from 15:48 on Mon 22 Aug to 13:29 on Tue 23 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2005/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 22 Aug
compat-drikpanchangComparison profileMon 22 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 Angeles00:48 → 22:2916:53158 min16:520 min22 Aug
Chicago02:48 → 00:2916:57163 min16:560 min22 Aug
Jersey City03:48 → 01:2917:02162 min17:010 min22 Aug
Port of Spain03:48 → 01:2915:52149 min15:520 min22 Aug
London08:48 → 06:2917:18170 min17:170 min22 Aug
Durban09:48 → 07:2915:21135 min15:210 min22 Aug
Dubai11:48 → 09:2916:13154 min16:120 min22 Aug
Delhi13:18 → 10:5916:18156 min16:170 min22 Aug
Kolkata13:18 → 10:5915:29153 min15:290 min22 Aug
Singapore15:48 → 13:2916:46146 min16:460 min22 Aug
Sydney17:48 → 15:2915:170 min15:1811 min23 Aug
Suva19:48 → 17:2915:380 min15:38111 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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