Ruling · Bahulā Caturthī · 1948

Monday 23 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 325 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 23 August

Taken. The only late afternoon Caturthī reaches.

17:22 sāyāhna beginssunset 20:02
16:5817:2217:4618:1018:3418:5819:2219:4620:1020:34

161 of 161 minutes covered

Late afternoon of Tuesday 24 August

Caturthī is absent from sāyāhna. Not taken.

17:21 sāyāhna beginssunset 20:01
16:5717:2117:4518:0918:3318:5719:2119:4520:0920:33

0 of 160 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 09:46 on Mon 23 Aug to 11:56 on Tue 24 Aug.

    1948-08-23T00:45:38Z → 1948-08-24T02:55:41Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 17:22–20:02 on the 23rd, 17:21–20:01 on the 24th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 161 of 161 minutes on the 23rd and 0 of 160 on the 24th.

    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 19494 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1948: Monday 23 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1948 falls on Monday 23 August. Caturthī runs from 09:46 on Mon 23 Aug to 11:56 on Tue 24 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1948/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 23 Aug
compat-drikpanchangComparison profileMon 23 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 23rdCoveredSāyāhna 24thCoveredRuled
Los Angeles17:46 → 19:5616:52158 min16:510 min22 Aug
Chicago19:46 → 21:5616:56162 min16:550 min23 Aug
Jersey City20:46 → 22:5617:01162 min17:000 min23 Aug
Port of Spain20:46 → 22:5615:52149 min15:510 min23 Aug
London01:46 → 03:5617:17170 min17:150 min23 Aug
Durban02:46 → 04:5615:21135 min15:210 min23 Aug
Dubai04:46 → 06:5616:12154 min16:120 min23 Aug
Delhi06:16 → 08:2616:17156 min16:160 min23 Aug
Kolkata06:16 → 08:2615:29153 min15:280 min23 Aug
Singapore08:16 → 10:2616:16146 min16:150 min23 Aug
Sydney10:46 → 12:5615:17133 min15:180 min23 Aug
Suva12:46 → 14:5615:38139 min15:380 min23 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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