Ruling · Bahulā Caturthī · 1939

Saturday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 95 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 2 September

Taken. The only late afternoon Caturthī reaches.

16:12 sāyāhna beginssunset 18:49
15:4816:1216:3617:0017:2417:4818:1218:3619:00

156 of 156 minutes covered

Late afternoon of Sunday 3 September

Caturthī is absent from sāyāhna. Not taken.

16:11 sāyāhna beginssunset 18:47
15:4716:1116:3516:5917:2317:4718:1118:3518:59

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 12:52 on Sat 2 Sep to 14:36 on Sun 3 Sep.

    1939-09-02T04:52:20Z → 1939-09-03T06:36:28Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:12–18:49 on the 2nd, 16:11–18:47 on the 3rd.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 156 of 156 minutes on the 2nd and 0 of 156 on the 3rd.

    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 5690 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1939: Saturday 2 September.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1939 falls on Saturday 2 September. Caturthī runs from 12:52 on Sat 2 Sep to 14:36 on Sun 3 Sep and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1939/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 2 Sep
compat-drikpanchangComparison profileSat 2 Sep
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 2ndCoveredSāyāhna 3rdCoveredRuled
Los Angeles20:52 → 22:3615:44154 min15:430 min2 Sep
Chicago23:52 → 01:3616:46157 min16:450 min2 Sep
Jersey City00:52 → 02:3616:51157 min16:500 min2 Sep
Port of Spain00:52 → 02:3615:47148 min15:470 min2 Sep
London05:52 → 07:3617:04163 min17:020 min2 Sep
Durban06:52 → 08:3615:23138 min15:230 min2 Sep
Dubai08:52 → 10:3616:06152 min16:050 min2 Sep
Delhi10:22 → 12:0616:10153 min16:090 min2 Sep
Kolkata10:22 → 12:0615:23151 min15:220 min2 Sep
Singapore12:12 → 13:5616:03146 min16:030 min2 Sep
Sydney14:52 → 16:3615:20136 min15:2076 min2 Sep
Suva16:52 → 18:3615:3866 min15:38141 min2 Sep
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