Ruling · Bahulā Caturthī · 2045

Thursday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 571 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 Wednesday 30 August

Caturthī is absent from sāyāhna. Not taken.

16:14 sāyāhna beginssunset 18:51
15:5016:1416:3817:0217:2617:5018:1418:3819:02

0 of 157 minutes covered

Late afternoon of Thursday 31 August

Taken. The only late afternoon Caturthī reaches.

16:13 sāyāhna beginssunset 18:50
15:4916:1316:3717:0117:2517:4918:1318:3719:01

157 of 157 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 04:22 on Thu 31 Aug to 05:42 on Fri 1 Sep.

    2045-08-30T20:22:13Z → 2045-08-31T21:42:04Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:51 on the 30th, 16:13–18:50 on the 31st.

    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 157 minutes on the 30th and 157 of 157 on the 31st.

    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 34251 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2045: Thursday 31 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2045 falls on Thursday 31 August. Caturthī runs from 04:22 on Thu 31 Aug to 05:42 on Fri 1 Sep and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2045/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 31 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 31 Aug
compat-drikpanchangComparison profileThu 31 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 30thCoveredSāyāhna 31stCoveredRuled
Los Angeles13:22 → 14:4216:46155 min16:450 min30 Aug
Chicago15:22 → 16:4216:48158 min16:470 min30 Aug
Jersey City16:22 → 17:4216:53158 min16:5250 min30 Aug
Port of Spain16:22 → 17:4215:48114 min15:48114 min30 Aug
London21:22 → 22:4217:060 min17:05163 min31 Aug
Durban22:22 → 23:4215:230 min15:23138 min31 Aug
Dubai00:22 → 01:4216:070 min16:06152 min31 Aug
Delhi01:52 → 03:1216:110 min16:10153 min31 Aug
Kolkata01:52 → 03:1215:240 min15:23151 min31 Aug
Singapore04:22 → 05:4216:440 min16:43146 min31 Aug
Sydney06:22 → 07:4215:200 min15:20136 min31 Aug
Suva08:22 → 09:4215:380 min15:38141 min31 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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