Ruling · Bahulā Caturthī · 1938

Sunday 14 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 58 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 Sunday 14 August

Taken. Both late afternoons qualify; the rule takes the first.

16:30 sāyāhna beginssunset 19:15
Caturthī begins 17:45:01
16:0616:3016:5417:1817:4218:0618:3018:5419:1819:42

90 of 165 minutes covered, the last 90

Late afternoon of Monday 15 August

Qualifies with 107 of 165 minutes. Not taken.

16:29 sāyāhna beginssunset 19:14
Caturthī ends 18:16:22
16:0516:2916:5317:1717:4118:0518:2918:5319:1719:41

107 of 165 minutes covered, the first 107

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 17:45 on Sun 14 Aug to 18:16 on Mon 15 Aug.

    1938-08-14T09:45:01Z → 1938-08-15T10:16:23Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:30–19:15 on the 14th, 16:29–19:14 on the 15th.

    sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 90 of 165 minutes on the 14th and 107 of 165 on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both late afternoons qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 3453 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1938: Sunday 14 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1938 falls on Sunday 14 August. Caturthī runs from 17:45 on Sun 14 Aug to 18:16 on Mon 15 Aug and covers 90 of 165 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 107 minutes; by the rule the first late afternoon is taken.

ahargana.org/baoding/festivals/1938/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 14 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 14 Aug
compat-drikpanchangComparison profileSun 14 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 14thCoveredSāyāhna 15thCoveredRuled
Los Angeles01:45 → 02:1616:00162 min15:590 min14 Aug
Chicago04:45 → 05:1617:05167 min17:050 min14 Aug
Jersey City05:45 → 06:1617:10166 min17:090 min14 Aug
Port of Spain05:45 → 06:1615:55150 min15:550 min14 Aug
London10:45 → 11:1617:29177 min17:280 min14 Aug
Durban11:45 → 12:1615:18132 min15:190 min14 Aug
Dubai13:45 → 14:1616:18157 min16:180 min14 Aug
Delhi15:15 → 15:4616:23159 min16:230 min14 Aug
Kolkata15:15 → 15:4615:34155 min15:3413 min14 Aug
Singapore17:05 → 17:3616:0889 min16:0889 min14 Aug
Sydney19:45 → 20:1615:140 min15:15130 min15 Aug
Suva21:45 → 22:1615:370 min15:37138 min15 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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