Ruling · Bahulā Caturthī · 1961

Tuesday 29 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 210 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 28 August

Caturthī is absent from sāyāhna. Not taken.

16:17 sāyāhna beginssunset 18:55
15:5316:1716:4117:0517:2917:5318:1718:4119:0519:29

0 of 158 minutes covered

Late afternoon of Tuesday 29 August

Taken. The only late afternoon Caturthī reaches.

16:16 sāyāhna beginssunset 18:54
15:5216:1616:4017:0417:2817:5218:1618:4019:0419:28

158 of 158 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 00:58 on Tue 29 Aug to 22:24 on Tue 29 Aug.

    1961-08-28T16:57:34Z → 1961-08-29T14:23:52Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:55 on the 28th, 16:16–18:54 on the 29th.

    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 158 minutes on the 28th and 158 of 158 on the 29th.

    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 12607 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1961: Tuesday 29 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1961 falls on Tuesday 29 August. Caturthī runs from 00:58 on Tue 29 Aug to 22:24 on Tue 29 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1961/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 29 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 29 Aug
compat-drikpanchangComparison profileTue 29 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 28thCoveredSāyāhna 29thCoveredRuled
Los Angeles09:58 → 07:2416:48156 min16:470 min28 Aug
Chicago11:58 → 09:2416:51160 min16:500 min28 Aug
Jersey City12:58 → 10:2416:56159 min16:550 min28 Aug
Port of Spain12:58 → 10:2415:49148 min15:490 min28 Aug
London17:58 → 15:2417:10118 min17:090 min28 Aug
Durban18:58 → 16:2415:220 min15:2262 min29 Aug
Dubai20:58 → 18:2416:090 min16:08136 min29 Aug
Delhi22:28 → 19:5416:130 min16:12154 min29 Aug
Kolkata22:28 → 19:5415:260 min15:25152 min29 Aug
Singapore00:28 → 21:5416:140 min16:14146 min29 Aug
Sydney02:58 → 00:2415:190 min15:19135 min29 Aug
Suva04:58 → 02:2415:380 min15:38140 min29 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