Ruling · Bahulā Caturthī · 2047

Friday 9 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 573 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 Thursday 8 August

Caturthī is absent from sāyāhna. Not taken.

16:35 sāyāhna beginssunset 19:22
16:1116:3516:5917:2317:4718:1118:3518:5919:2319:47

0 of 167 minutes covered

Late afternoon of Friday 9 August

Taken. The only late afternoon Caturthī reaches.

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

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 04:55 on Fri 9 Aug to 06:08 on Sat 10 Aug.

    2047-08-08T20:54:55Z → 2047-08-09T22:07:48Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:35–19:22 on the 8th, 16:34–19:21 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 34378 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2047: Friday 9 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2047 falls on Friday 9 August. Caturthī runs from 04:55 on Fri 9 Aug to 06:08 on Sat 10 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2047/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 9 Aug
compat-drikpanchangComparison profileFri 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 Angeles13:55 → 15:0817:04163 min17:030 min8 Aug
Chicago15:55 → 17:0817:10170 min17:100 min8 Aug
Jersey City16:55 → 18:0817:15169 min17:1454 min8 Aug
Port of Spain16:55 → 18:0815:5793 min15:57131 min8 Aug
London21:55 → 23:0817:360 min17:35180 min9 Aug
Durban22:55 → 00:0815:170 min15:17131 min9 Aug
Dubai00:55 → 02:0816:210 min16:21158 min9 Aug
Delhi02:25 → 03:3816:270 min16:26160 min9 Aug
Kolkata02:25 → 03:3815:370 min15:36156 min9 Aug
Singapore04:55 → 06:0816:490 min16:49146 min9 Aug
Sydney06:55 → 08:0815:130 min15:13128 min9 Aug
Suva08:55 → 10:0815:370 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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