Ruling · Bahulā Caturthī · 1916

Wednesday 16 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 318 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 Wednesday 16 August

Taken. The only late afternoon Caturthī reaches.

16:28 sāyāhna beginssunset 19:12
16:0416:2816:5217:1617:4018:0418:2818:5219:1619:40

164 of 164 minutes covered

Late afternoon of Thursday 17 August

Caturthī is absent from sāyāhna. Not taken.

16:27 sāyāhna beginssunset 19:11
16:0316:2716:5117:1517:3918:0318:2718:5119:1519:39

0 of 164 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 11:10 on Wed 16 Aug to 09:18 on Thu 17 Aug.

    1916-08-16T03:10:06Z → 1916-08-17T01:17:41Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:28–19:12 on the 16th, 16:27–19:11 on the 17th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 164 of 164 minutes on the 16th and 0 of 164 on the 17th.

    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 19083 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 1916: Wednesday 16 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 1916 falls on Wednesday 16 August. Caturthī runs from 11:10 on Wed 16 Aug to 09:18 on Thu 17 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/1916/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 16 Aug
compat-drikpanchangComparison profileWed 16 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 16thCoveredSāyāhna 17thCoveredRuled
Los Angeles19:10 → 17:1815:5880 min15:570 min16 Aug
Chicago21:10 → 19:1816:03166 min16:020 min16 Aug
Jersey City22:10 → 20:1816:08165 min16:070 min16 Aug
Port of Spain23:10 → 21:1815:54150 min15:540 min16 Aug
London04:10 → 02:1817:26175 min17:250 min16 Aug
Durban05:10 → 03:1815:19133 min15:190 min16 Aug
Dubai06:51 → 04:5915:58156 min15:570 min16 Aug
Delhi08:40 → 06:4816:22158 min16:210 min16 Aug
Kolkata08:40 → 06:4815:33155 min15:320 min16 Aug
Singapore10:10 → 08:1815:47146 min15:470 min16 Aug
Sydney13:10 → 11:1815:15130 min15:150 min16 Aug
Suva15:10 → 13:1815:38138 min15:380 min16 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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