Ruling · Bahulā Caturthī · 2039

Sunday 7 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 257 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 Sunday 7 August

Taken. The only late afternoon Caturthī reaches.

16:35 sāyāhna beginssunset 19:23
16:1116:3516:5917:2317:4718:1118:3518:5919:2319:47

168 of 168 minutes covered

Late afternoon of Monday 8 August

Caturthī is absent from sāyāhna. Not taken.

16:35 sāyāhna beginssunset 19:22
16:1116:3516:5917:2317:4718:1118:3518:5919:2319:47

0 of 167 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 12:18 on Sun 7 Aug to 11:43 on Mon 8 Aug.

    2039-08-07T04:18:18Z → 2039-08-08T03:42:52Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:35–19:23 on the 7th, 16:35–19:22 on the 8th.

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

  3. 03

    Rule

    Caturthī must be present during sāyāhna. It covers 168 of 168 minutes on the 7th and 0 of 167 on the 8th.

    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 15425 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2039: Sunday 7 August.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2039 falls on Sunday 7 August. Caturthī runs from 12:18 on Sun 7 Aug to 11:43 on Mon 8 Aug and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2039/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 7 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 7 Aug
compat-drikpanchangComparison profileSun 7 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 7thCoveredSāyāhna 8thCoveredRuled
Los Angeles21:18 → 20:4317:04164 min17:040 min7 Aug
Chicago23:18 → 22:4317:11170 min17:100 min7 Aug
Jersey City00:18 → 23:4317:15169 min17:150 min7 Aug
Port of Spain00:18 → 23:4315:57150 min15:570 min7 Aug
London05:18 → 04:4317:37181 min17:360 min7 Aug
Durban06:18 → 05:4315:17130 min15:170 min7 Aug
Dubai08:18 → 07:4316:22158 min16:210 min7 Aug
Delhi09:48 → 09:1316:27160 min16:270 min7 Aug
Kolkata09:48 → 09:1315:37157 min15:370 min7 Aug
Singapore12:18 → 11:4316:49146 min16:490 min7 Aug
Sydney14:18 → 13:4315:12127 min15:130 min7 Aug
Suva16:18 → 15:4315:3795 min15:376 min7 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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