Ruling · Bahulā Caturthī · 1972

Monday 28 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 58 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 Sunday 27 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

Late afternoon of Monday 28 August

Taken. The only late afternoon Caturthī reaches.

16:16 sāyāhna beginssunset 18:55
Caturthī ends 17:19:22
15:5216:1616:4017:0417:2817:5218:1618:4019:0419:28

63 of 158 minutes covered, the first 63

Caturthī presentSāyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 19:54 on Sun 27 Aug to 17:19 on Mon 28 Aug.

    1972-08-27T11:53:58Z → 1972-08-28T09:19:22Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:56 on the 27th, 16:16–18:55 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 63 of 158 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 3464 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1972: Monday 28 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1972 falls on Monday 28 August. Caturthī runs from 19:54 on Sun 27 Aug to 17:19 on Mon 28 Aug and covers 63 of 158 minutes of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1972/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 28 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 28 Aug
compat-drikpanchangComparison profileMon 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 Angeles04:54 → 02:1916:48156 min16:480 min27 Aug
Chicago06:54 → 04:1916:52160 min16:510 min27 Aug
Jersey City07:54 → 05:1916:56159 min16:550 min27 Aug
Port of Spain07:54 → 05:1915:50148 min15:490 min27 Aug
London12:54 → 10:1917:11166 min17:100 min27 Aug
Durban13:54 → 11:1915:22136 min15:220 min27 Aug
Dubai15:54 → 13:1916:09153 min16:090 min27 Aug
Delhi17:24 → 14:4916:1484 min16:130 min27 Aug
Kolkata17:24 → 14:4915:2634 min15:250 min27 Aug
Singapore19:24 → 16:4916:150 min16:1435 min28 Aug
Sydney21:54 → 19:1915:190 min15:19135 min28 Aug
Suva23:54 → 21:1915:380 min15:38140 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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