Ruling · Bahulā Caturthī · 2000

Friday 18 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 33 minutes.

Decide it for

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 18 August

Taken. Both late afternoons qualify; the rule takes the first.

16:26 sāyāhna beginssunset 19:09
Caturthī begins 16:58:52
16:0216:2616:5017:1417:3818:0218:2618:5019:1419:38

130 of 163 minutes covered, the last 130

Late afternoon of Saturday 19 August

Qualifies with 55 of 162 minutes. Not taken.

16:25 sāyāhna beginssunset 19:07
Caturthī ends 17:20:25
16:0116:2516:4917:1317:3718:0118:2518:4919:1319:37

55 of 162 minutes covered, the first 55

Caturthī presentSāyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 16:59 on Fri 18 Aug to 17:20 on Sat 19 Aug.

    2000-08-18T08:58:53Z → 2000-08-19T09:20:26Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:26–19:09 on the 18th, 16:25–19:07 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 130 of 163 minutes on the 18th and 55 of 162 on the 19th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both late afternoons qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1980 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2000: Friday 18 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2000 falls on Friday 18 August. Caturthī runs from 16:59 on Fri 18 Aug to 17:20 on Sat 19 Aug and covers 130 of 163 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 55 minutes; by the rule the first late afternoon is taken.

ahargana.org/baoding/festivals/2000/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 18 Aug
compat-drikpanchangComparison profileFri 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 Angeles01:59 → 02:2016:56160 min16:550 min18 Aug
Chicago03:59 → 04:2017:01165 min17:000 min18 Aug
Jersey City04:59 → 05:2017:05164 min17:040 min18 Aug
Port of Spain04:59 → 05:2015:54149 min15:530 min18 Aug
London09:59 → 10:2017:23173 min17:220 min18 Aug
Durban10:59 → 11:2015:20133 min15:200 min18 Aug
Dubai12:59 → 13:2016:15155 min16:150 min18 Aug
Delhi14:29 → 14:5016:20157 min16:190 min18 Aug
Kolkata14:29 → 14:5015:31154 min15:310 min18 Aug
Singapore16:59 → 17:2016:47134 min16:4734 min18 Aug
Sydney18:59 → 19:2015:160 min15:16132 min19 Aug
Suva20:59 → 21:2015:380 min15:38139 min19 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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