Ruling · Bahulā Caturthī · 1958

Tuesday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 66 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 1 September

Caturthī is absent from sāyāhna. Not taken.

16:13 sāyāhna beginssunset 18:50
15:4916:1316:3717:0117:2517:4918:1318:3719:01

0 of 157 minutes covered

Late afternoon of Tuesday 2 September

Taken. The only late afternoon Caturthī reaches.

16:12 sāyāhna beginssunset 18:48
15:4816:1216:3617:0017:2417:4818:1218:3619:00

156 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 19:55 on Mon 1 Sep to 22:31 on Tue 2 Sep.

    1958-09-01T11:55:21Z → 1958-09-02T14:31:14Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:50 on the 1st, 16:12–18:48 on the 2nd.

    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 157 minutes on the 1st and 156 of 156 on the 2nd.

    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 3942 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1958: Tuesday 2 September.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1958 falls on Tuesday 2 September. Caturthī runs from 19:55 on Mon 1 Sep to 22:31 on Tue 2 Sep and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1958/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 2 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 2 Sep
compat-drikpanchangComparison profileTue 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 1stCoveredSāyāhna 2ndCoveredRuled
Los Angeles04:55 → 07:3116:44154 min16:440 min1 Sep
Chicago06:55 → 09:3116:47158 min16:460 min1 Sep
Jersey City07:55 → 10:3116:52157 min16:510 min1 Sep
Port of Spain07:55 → 10:3115:48148 min15:470 min1 Sep
London12:55 → 15:3117:05163 min17:030 min1 Sep
Durban13:55 → 16:3115:23138 min15:2368 min1 Sep
Dubai15:55 → 18:3116:06152 min16:06146 min1 Sep
Delhi17:25 → 20:0116:1078 min16:09153 min1 Sep
Kolkata17:25 → 20:0115:2329 min15:22151 min1 Sep
Singapore19:25 → 22:0116:130 min16:13146 min2 Sep
Sydney21:55 → 00:3115:200 min15:20137 min2 Sep
Suva23:55 → 02:3115:380 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

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