Ruling · Bahulā Caturthī · 2086

Tuesday 27 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 92 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 Tuesday 27 August

Taken. The only late afternoon Caturthī reaches.

16:17 sāyāhna beginssunset 18:56
15:5316:1716:4117:0517:2917:5318:1718:4119:0519:29

159 of 159 minutes covered

Late afternoon of Wednesday 28 August

Caturthī is absent from sāyāhna. Not taken.

16:16 sāyāhna beginssunset 18:55
15:5216:1616:4017:0417:2817:5218:1618:4019:0419:28

0 of 158 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 14:46 on Tue 27 Aug to 11:30 on Wed 28 Aug.

    2086-08-27T06:45:30Z → 2086-08-28T03:30:16Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:56 on the 27th, 16:16–18:55 on the 28th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 159 of 159 minutes on the 27th and 0 of 158 on the 28th.

    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 5518 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2086: Tuesday 27 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2086 falls on Tuesday 27 August. Caturthī runs from 14:46 on Tue 27 Aug to 11:30 on Wed 28 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2086/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 27 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 27 Aug
compat-drikpanchangComparison profileTue 27 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 27thCoveredSāyāhna 28thCoveredRuled
Los Angeles23:46 → 20:3016:48156 min16:480 min27 Aug
Chicago01:46 → 22:3016:52160 min16:500 min27 Aug
Jersey City02:46 → 23:3016:56159 min16:550 min27 Aug
Port of Spain02:46 → 23:3015:50148 min15:500 min27 Aug
London07:46 → 04:3017:11166 min17:090 min27 Aug
Durban08:46 → 05:3015:22136 min15:230 min27 Aug
Dubai10:46 → 07:3016:10153 min16:090 min27 Aug
Delhi12:16 → 09:0016:14154 min16:130 min27 Aug
Kolkata12:16 → 09:0015:26152 min15:260 min27 Aug
Singapore14:46 → 11:3016:45146 min16:450 min27 Aug
Sydney16:46 → 13:3015:1949 min15:200 min27 Aug
Suva18:46 → 15:3015:380 min15:380 min27 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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