Ruling · Bahulā Caturthī · 2003

Friday 15 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 201 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 15 August

Taken. The only late afternoon Caturthī reaches.

16:29 sāyāhna beginssunset 19:14
16:0516:2916:5317:1717:4118:0518:2918:5319:1719:41

164 of 164 minutes covered

Late afternoon of Saturday 16 August

Caturthī is absent from sāyāhna. Not taken.

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

0 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 12:04 on Fri 15 Aug to 13:08 on Sat 16 Aug.

    2003-08-15T04:04:05Z → 2003-08-16T05:07:39Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:29–19:14 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 164 of 164 minutes on the 15th and 0 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 12040 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2003: Friday 15 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2003 falls on Friday 15 August. Caturthī runs from 12:04 on Fri 15 Aug to 13:08 on Sat 16 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2003/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 15 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 15 Aug
compat-drikpanchangComparison profileFri 15 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 Angeles21:04 → 22:0816:59161 min16:580 min15 Aug
Chicago23:04 → 00:0817:04166 min17:030 min15 Aug
Jersey City00:04 → 01:0817:09166 min17:080 min15 Aug
Port of Spain00:04 → 01:0815:55150 min15:550 min15 Aug
London05:04 → 06:0817:28176 min17:270 min15 Aug
Durban06:04 → 07:0815:19132 min15:190 min15 Aug
Dubai08:04 → 09:0816:18156 min16:170 min15 Aug
Delhi09:34 → 10:3816:23158 min16:220 min15 Aug
Kolkata09:34 → 10:3815:34155 min15:330 min15 Aug
Singapore12:04 → 13:0816:48146 min16:480 min15 Aug
Sydney14:04 → 15:0815:15130 min15:150 min15 Aug
Suva16:04 → 17:0815:38111 min15:3890 min15 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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