Ruling · Bahulā Caturthī · 2072

Thursday 1 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 402 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 Thursday 1 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

Late afternoon of Friday 2 September

Caturthī is absent from sāyāhna. Not taken.

16:11 sāyāhna beginssunset 18:46
15:4716:1116:3516:5917:2317:4718:1118:3518:59

0 of 155 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 07:28 on Thu 1 Sep to 09:29 on Fri 2 Sep.

    2072-08-31T23:27:49Z → 2072-09-02T01:28:50Z

  2. 02

    Kāla

    Sāyāhna is last 3 of 15 day muhūrtas: 16:12–18:48 on the 1st, 16:11–18:46 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 156 of 156 minutes on the 1st and 0 of 155 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 24115 s

  5. 05

    Ruling

    Bahulā Caturthī, Baoding, 2072: Thursday 1 September.

    confidence: determinate

Say it like this

In Baoding, Bahulā Caturthī 2072 falls on Thursday 1 September. Caturthī runs from 07:28 on Thu 1 Sep to 09:29 on Fri 2 Sep and covers all of sāyāhna that late afternoon.

ahargana.org/baoding/festivals/2072/bahula-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 1 Sep
compat-drikpanchangComparison profileThu 1 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 31stCoveredSāyāhna 2ndCoveredRuled
Los Angeles16:28 → 18:2916:44154 min16:420 min31 Aug
Chicago18:28 → 20:2916:4756 min16:440 min31 Aug
Jersey City19:28 → 21:2916:521 min16:490 min31 Aug
Port of Spain19:28 → 21:2915:480 min15:470 min1 Sep
London00:28 → 02:2917:040 min17:010 min1 Sep
Durban01:28 → 03:2915:230 min15:230 min1 Sep
Dubai03:28 → 05:2916:060 min16:050 min1 Sep
Delhi04:58 → 06:5916:100 min16:090 min1 Sep
Kolkata04:58 → 06:5915:230 min15:220 min1 Sep
Singapore07:28 → 09:2916:430 min16:430 min1 Sep
Sydney09:28 → 11:2915:200 min15:210 min1 Sep
Suva11:28 → 13:2915:380 min15:380 min1 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