Ruling · Bahulā Caturthī · 2038

Wednesday 18 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 321 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 Wednesday 18 August

Taken. The only late afternoon Caturthī reaches.

16:26 sāyāhna beginssunset 19:09
16:0216:2616:5017:1417:3818:0218:2618:5019:1419:38

163 of 163 minutes covered

Late afternoon of Thursday 19 August

Caturthī is absent from sāyāhna. Not taken.

16:25 sāyāhna beginssunset 19:08
16:0116:2516:4917:1317:3718:0118:2518:4919:1319:37

0 of 162 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 09:18 on Wed 18 Aug to 11:04 on Thu 19 Aug.

    2038-08-18T01:18:19Z → 2038-08-19T03:04:07Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:26–19:09 on the 18th, 16:25–19:08 on the 19th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 163 of 163 minutes on the 18th and 0 of 162 on the 19th.

    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 19267 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2038: Wednesday 18 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2038 falls on Wednesday 18 August. Caturthī runs from 09:18 on Wed 18 Aug to 11:04 on Thu 19 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2038/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 18 Aug
compat-drikpanchangComparison profileWed 18 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 18thCoveredSāyāhna 19thCoveredRuled
Los Angeles18:18 → 20:0416:56160 min16:550 min17 Aug
Chicago20:18 → 22:0417:01165 min17:000 min18 Aug
Jersey City21:18 → 23:0417:06164 min17:050 min18 Aug
Port of Spain21:18 → 23:0415:54149 min15:530 min18 Aug
London02:18 → 04:0417:23173 min17:220 min18 Aug
Durban03:18 → 05:0415:20133 min15:200 min18 Aug
Dubai05:18 → 07:0416:16155 min16:150 min18 Aug
Delhi06:48 → 08:3416:20157 min16:200 min18 Aug
Kolkata06:48 → 08:3415:32154 min15:310 min18 Aug
Singapore09:18 → 11:0416:47146 min16:470 min18 Aug
Sydney11:18 → 13:0415:16131 min15:160 min18 Aug
Suva13:18 → 15:0415:38138 min15:380 min18 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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