Ruling · Bahulā Caturthī · 2028

Wednesday 9 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 219 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 Tuesday 8 August

Caturthī is absent from sāyāhna. Not taken.

16:34 sāyāhna beginssunset 19:21
16:1016:3416:5817:2217:4618:1018:3418:5819:2219:46

0 of 167 minutes covered

Late afternoon of Wednesday 9 August

Taken. The only late afternoon Caturthī reaches.

16:33 sāyāhna beginssunset 19:20
16:0916:3316:5717:2117:4518:0918:3318:5719:2119:45

167 of 167 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 23:00 on Tue 8 Aug to 01:26 on Thu 10 Aug.

    2028-08-08T15:00:10Z → 2028-08-09T17:26:13Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:34–19:21 on the 8th, 16:33–19:20 on the 9th.

    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 167 minutes on the 8th and 167 of 167 on the 9th.

    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 13140 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2028: Wednesday 9 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2028 falls on Wednesday 9 August. Caturthī runs from 23:00 on Tue 8 Aug to 01:26 on Thu 10 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2028/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 9 Aug
compat-drikpanchangComparison profileWed 9 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 8thCoveredSāyāhna 9thCoveredRuled
Los Angeles08:00 → 10:2617:03163 min17:020 min8 Aug
Chicago10:00 → 12:2617:10169 min17:090 min8 Aug
Jersey City11:00 → 13:2617:14168 min17:130 min8 Aug
Port of Spain11:00 → 13:2615:57150 min15:570 min8 Aug
London16:00 → 18:2617:35180 min17:3452 min8 Aug
Durban17:00 → 19:2615:1728 min15:18131 min8 Aug
Dubai19:00 → 21:2616:210 min16:20157 min9 Aug
Delhi20:30 → 22:5616:260 min16:26160 min9 Aug
Kolkata20:30 → 22:5615:370 min15:36156 min9 Aug
Singapore23:00 → 01:2616:490 min16:49146 min9 Aug
Sydney01:00 → 03:2615:130 min15:13128 min9 Aug
Suva03:00 → 05:2615:370 min15:37137 min9 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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