Ruling · Bahulā Caturthī · 2079

Wednesday 16 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 339 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 15 August

Caturthī is absent from sāyāhna. Not taken.

16:29 sāyāhna beginssunset 19:13
16:0516:2916:5317:1717:4118:0518:2918:5319:1719:41

0 of 164 minutes covered

Late afternoon of Wednesday 16 August

Taken. The only late afternoon Caturthī reaches.

16:28 sāyāhna beginssunset 19:12
16:0416:2816:5217:1617:4018:0418:2818:5219:1619:40

164 of 164 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 01:27 on Wed 16 Aug to 00:51 on Thu 17 Aug.

    2079-08-15T17:27:04Z → 2079-08-16T16:51:07Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:29–19:13 on the 15th, 16:28–19:12 on the 16th.

    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 164 minutes on the 15th and 164 of 164 on the 16th.

    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 20355 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2079: Wednesday 16 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2079 falls on Wednesday 16 August. Caturthī runs from 01:27 on Wed 16 Aug to 00:51 on Thu 17 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2079/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 16 Aug
compat-drikpanchangComparison profileWed 16 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 15thCoveredSāyāhna 16thCoveredRuled
Los Angeles10:27 → 09:5116:59161 min16:580 min15 Aug
Chicago12:27 → 11:5117:04166 min17:030 min15 Aug
Jersey City13:27 → 12:5117:09165 min17:080 min15 Aug
Port of Spain13:27 → 12:5115:55150 min15:550 min15 Aug
London18:27 → 17:5117:27116 min17:2625 min15 Aug
Durban19:27 → 18:5115:190 min15:20133 min16 Aug
Dubai21:27 → 20:5116:180 min16:17156 min16 Aug
Delhi22:57 → 22:2116:230 min16:22158 min16 Aug
Kolkata22:57 → 22:2115:340 min15:33155 min16 Aug
Singapore01:27 → 00:5116:480 min16:48146 min16 Aug
Sydney03:27 → 02:5115:150 min15:16130 min16 Aug
Suva05:27 → 04:5115:380 min15:38138 min16 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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