Ruling · Bahulā Caturthī · 2037

Saturday 29 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 211 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 Saturday 29 August

Taken. The only late afternoon Caturthī reaches.

16:15 sāyāhna beginssunset 18:53
15:5116:1516:3917:0317:2717:5118:1518:3919:03

158 of 158 minutes covered

Late afternoon of Sunday 30 August

Caturthī is absent from sāyāhna. Not taken.

16:14 sāyāhna beginssunset 18:51
15:5016:1416:3817:0217:2617:5018:1418:3819:02

0 of 157 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 10:23 on Sat 29 Aug to 12:43 on Sun 30 Aug.

    2037-08-29T02:22:59Z → 2037-08-30T04:43:17Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:15–18:53 on the 29th, 16:14–18:51 on the 30th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 158 of 158 minutes on the 29th and 0 of 157 on the 30th.

    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 12659 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2037: Saturday 29 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2037 falls on Saturday 29 August. Caturthī runs from 10:23 on Sat 29 Aug to 12:43 on Sun 30 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2037/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 29 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 29 Aug
compat-drikpanchangComparison profileSat 29 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 29thCoveredSāyāhna 30thCoveredRuled
Los Angeles19:23 → 21:4316:46155 min16:460 min28 Aug
Chicago21:23 → 23:4316:49159 min16:480 min29 Aug
Jersey City22:23 → 00:4316:54158 min16:530 min29 Aug
Port of Spain22:23 → 00:4315:49148 min15:480 min29 Aug
London03:23 → 05:4317:08165 min17:060 min29 Aug
Durban04:23 → 06:4315:22137 min15:230 min29 Aug
Dubai06:23 → 08:4316:08152 min16:070 min29 Aug
Delhi07:53 → 10:1316:12154 min16:110 min29 Aug
Kolkata07:53 → 10:1315:25152 min15:240 min29 Aug
Singapore10:23 → 12:4316:44146 min16:440 min29 Aug
Sydney12:23 → 14:4315:20135 min15:200 min29 Aug
Suva14:23 → 16:4315:38140 min15:3865 min29 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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