Ruling · Bahulā Caturthī · 2052

Tuesday 13 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 33 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 Tuesday 13 August

Taken. Both late afternoons qualify; the rule takes the first.

16:30 sāyāhna beginssunset 19:15
Caturthī begins 18:42:09
16:0616:3016:5417:1817:4218:0618:3018:5419:1819:42

33 of 165 minutes covered, the last 33

Late afternoon of Wednesday 14 August

Qualifies with 50 of 164 minutes. Not taken.

16:29 sāyāhna beginssunset 19:14
Caturthī ends 17:19:33
16:0516:2916:5317:1717:4118:0518:2918:5319:1719:41

50 of 164 minutes covered, the first 50

Caturthī presentSāyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 18:42 on Tue 13 Aug to 17:20 on Wed 14 Aug.

    2052-08-13T10:42:09Z → 2052-08-14T09:19:33Z

  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 33 of 165 minutes on the 13th and 50 of 164 on the 14th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both late afternoons qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1963 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2052: Tuesday 13 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2052 falls on Tuesday 13 August. Caturthī runs from 18:42 on Tue 13 Aug to 17:20 on Wed 14 Aug and covers 33 of 165 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 50 minutes; by the rule the first late afternoon is taken.

ahargana.org/baoding/festivals/2052/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 13 Aug
compat-drikpanchangComparison profileTue 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 Angeles03:42 → 02:2017:00161 min16:590 min13 Aug
Chicago05:42 → 04:2017:05167 min17:040 min13 Aug
Jersey City06:42 → 05:2017:10166 min17:090 min13 Aug
Port of Spain06:42 → 05:2015:55150 min15:550 min13 Aug
London11:42 → 10:2017:29176 min17:280 min13 Aug
Durban12:42 → 11:2015:19132 min15:190 min13 Aug
Dubai14:42 → 13:2016:18156 min16:180 min13 Aug
Delhi16:12 → 14:5016:23158 min16:230 min13 Aug
Kolkata16:12 → 14:5015:34117 min15:340 min13 Aug
Singapore18:42 → 17:2016:4832 min16:4832 min13 Aug
Sydney20:42 → 19:2015:150 min15:15130 min14 Aug
Suva22:42 → 21:2015:380 min15:38138 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

About Ahargaṇa