Ruling · Bahulā Caturthī · 2033

Saturday 13 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 24 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 13 August

Taken. The only late afternoon Caturthī reaches.

16:30 sāyāhna beginssunset 19:15
Caturthī begins 16:54:05
16:0616:3016:5417:1817:4218:0618:3018:5419:1819:42

141 of 165 minutes covered, the last 141

Late afternoon of Sunday 14 August

Caturthī is absent from sāyāhna. Not taken.

16:29 sāyāhna beginssunset 19:14
16:0516:2916:5317:1717:4118:0518:2918:5319:1719:41

0 of 165 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 16:54 on Sat 13 Aug to 13:54 on Sun 14 Aug.

    2033-08-13T08:54:06Z → 2033-08-14T05:53:58Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:30–19:15 on the 13th, 16:29–19:14 on the 14th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 141 of 165 minutes on the 13th and 0 of 165 on the 14th.

    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 1429 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2033: Saturday 13 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2033 falls on Saturday 13 August. Caturthī runs from 16:54 on Sat 13 Aug to 13:54 on Sun 14 Aug and covers 141 of 165 minutes of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2033/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 13 Aug
compat-drikpanchangComparison profileSat 13 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 13thCoveredSāyāhna 14thCoveredRuled
Los Angeles01:54 → 22:5417:00162 min16:590 min13 Aug
Chicago03:54 → 00:5417:06167 min17:050 min13 Aug
Jersey City04:54 → 01:5417:10166 min17:090 min13 Aug
Port of Spain04:54 → 01:5415:55150 min15:550 min13 Aug
London09:54 → 06:5417:30176 min17:280 min13 Aug
Durban10:54 → 07:5415:19132 min15:190 min13 Aug
Dubai12:54 → 09:5416:18157 min16:180 min13 Aug
Delhi14:24 → 11:2416:24159 min16:230 min13 Aug
Kolkata14:24 → 11:2415:34155 min15:340 min13 Aug
Singapore16:54 → 13:5416:48140 min16:480 min13 Aug
Sydney18:54 → 15:5415:140 min15:1539 min14 Aug
Suva20:54 → 17:5415:380 min15:38136 min14 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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