Ruling · Bahulā Caturthī · 2074

Friday 10 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 502 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 Friday 10 August

Taken. The only late afternoon Caturthī reaches.

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

166 of 166 minutes covered

Late afternoon of Saturday 11 August

Caturthī is absent from sāyāhna. Not taken.

16:32 sāyāhna beginssunset 19:18
16:0816:3216:5617:2017:4418:0818:3218:5619:2019:44

0 of 166 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 07:44 on Fri 10 Aug to 08:11 on Sat 11 Aug.

    2074-08-09T23:43:58Z → 2074-08-11T00:10:34Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:33–19:19 on the 10th, 16:32–19:18 on the 11th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 166 of 166 minutes on the 10th and 0 of 166 on the 11th.

    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 30092 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2074: Friday 10 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2074 falls on Friday 10 August. Caturthī runs from 07:44 on Fri 10 Aug to 08:11 on Sat 11 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2074/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 10 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 10 Aug
compat-drikpanchangComparison profileFri 10 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 9thCoveredSāyāhna 11thCoveredRuled
Los Angeles16:44 → 17:1117:03163 min17:010 min9 Aug
Chicago18:44 → 19:1117:0974 min17:080 min9 Aug
Jersey City19:44 → 20:1117:1418 min17:120 min9 Aug
Port of Spain19:44 → 20:1115:570 min15:560 min10 Aug
London00:44 → 01:1117:350 min17:320 min10 Aug
Durban01:44 → 02:1115:180 min15:180 min10 Aug
Dubai03:44 → 04:1116:210 min16:200 min10 Aug
Delhi05:14 → 05:4116:260 min16:250 min10 Aug
Kolkata05:14 → 05:4115:360 min15:350 min10 Aug
Singapore07:44 → 08:1116:490 min16:490 min10 Aug
Sydney09:44 → 10:1115:130 min15:140 min10 Aug
Suva11:44 → 12:1115:370 min15:380 min10 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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