Ruling · Bahulā Caturthī · 2064

Saturday 30 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 99 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 Saturday 30 August

Taken. The only late afternoon Caturthī reaches.

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

157 of 157 minutes covered

Late afternoon of Sunday 31 August

Caturthī is absent from sāyāhna. Not taken.

16:13 sāyāhna beginssunset 18:49
15:4916:1316:3717:0117:2517:4918:1318:3719:01

0 of 156 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 12:06 on Sat 30 Aug to 14:33 on Sun 31 Aug.

    2064-08-30T04:05:33Z → 2064-08-31T06:33:23Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:14–18:51 on the 30th, 16:13–18:49 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 157 of 157 minutes on the 30th and 0 of 156 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 5968 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2064: Saturday 30 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2064 falls on Saturday 30 August. Caturthī runs from 12:06 on Sat 30 Aug to 14:33 on Sun 31 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2064/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 30 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 30 Aug
compat-drikpanchangComparison profileSat 30 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 Angeles21:06 → 23:3316:45155 min16:440 min30 Aug
Chicago23:06 → 01:3316:48158 min16:470 min30 Aug
Jersey City00:06 → 02:3316:53158 min16:520 min30 Aug
Port of Spain00:06 → 02:3315:48148 min15:480 min30 Aug
London05:06 → 07:3317:06164 min17:040 min30 Aug
Durban06:06 → 08:3315:23137 min15:230 min30 Aug
Dubai08:06 → 10:3316:07152 min16:060 min30 Aug
Delhi09:36 → 12:0316:11153 min16:100 min30 Aug
Kolkata09:36 → 12:0315:24151 min15:230 min30 Aug
Singapore12:06 → 14:3316:44146 min16:430 min30 Aug
Sydney14:06 → 16:3315:20136 min15:2073 min30 Aug
Suva16:06 → 18:3315:38113 min15:38141 min30 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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