Ruling · Bahulā Caturthī · 2059

Tuesday 26 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 502 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 Monday 25 August

Caturthī is absent from sāyāhna. Not taken.

16:20 sāyāhna beginssunset 18:59
15:5616:2016:4417:0817:3217:5618:2018:4419:0819:32

0 of 160 minutes covered

Late afternoon of Tuesday 26 August

Taken. The only late afternoon Caturthī reaches.

16:19 sāyāhna beginssunset 18:58
15:5516:1916:4317:0717:3117:5518:1918:4319:0719:31

159 of 159 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 06:29 on Tue 26 Aug to 03:20 on Wed 27 Aug.

    2059-08-25T22:29:26Z → 2059-08-26T19:20:25Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:20–18:59 on the 25th, 16:19–18:58 on the 26th.

    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 160 minutes on the 25th and 159 of 159 on the 26th.

    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 30146 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2059: Tuesday 26 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2059 falls on Tuesday 26 August. Caturthī runs from 06:29 on Tue 26 Aug to 03:20 on Wed 27 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2059/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 26 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 26 Aug
compat-drikpanchangComparison profileTue 26 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 25thCoveredSāyāhna 26thCoveredRuled
Los Angeles15:29 → 12:2016:50157 min16:500 min25 Aug
Chicago17:29 → 14:2016:54126 min16:530 min25 Aug
Jersey City18:29 → 15:2016:5970 min16:580 min25 Aug
Port of Spain18:29 → 15:2015:510 min15:500 min25 Aug
London23:29 → 20:2017:140 min17:13167 min26 Aug
Durban00:29 → 21:2015:220 min15:22136 min26 Aug
Dubai02:29 → 23:2016:110 min16:10153 min26 Aug
Delhi03:59 → 00:5016:160 min16:15155 min26 Aug
Kolkata03:59 → 00:5015:280 min15:27152 min26 Aug
Singapore06:29 → 03:2016:450 min16:45146 min26 Aug
Sydney08:29 → 05:2015:180 min15:19134 min26 Aug
Suva10:29 → 07:2015:380 min15:38140 min26 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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