Ruling · Govatsa Dvādaśī (Vasu Baras) · 2010

Wednesday 3 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 146 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Tuesday 2 November

Dvādaśī is absent from pradoṣa. Not taken.

17:17 sunsetpradoṣa ends 19:05
16:5317:1717:4118:0518:2918:5319:17

0 of 108 minutes covered

Evening of Wednesday 3 November

Taken. The only evening Dvādaśī reaches.

17:16 sunsetpradoṣa ends 19:04
16:5217:1617:4018:0418:2818:5219:16

108 of 108 minutes covered

Dvādaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 00:28 on Wed 3 Nov to 21:30 on Wed 3 Nov.

    2010-11-02T16:28:23Z → 2010-11-03T13:29:46Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:17–19:05 on the 2nd, 17:16–19:04 on the 3rd.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 2nd and 108 of 108 on the 3rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 8739 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2010: Wednesday 3 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2010 falls on Wednesday 3 November. Dvādaśī runs from 00:28 on Wed 3 Nov to 21:30 on Wed 3 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2010/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 3 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 3 Nov
compat-drikpanchangComparison profileWed 3 Nov
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/govatsa-dvadashi · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Dvādaśī
Kāla
Pradoṣa
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīSunset 2ndCoveredSunset 3rdCoveredRuled
Los Angeles09:28 → 06:3017:59106 min17:580 min2 Nov
Chicago11:28 → 08:3017:43110 min17:420 min2 Nov
Jersey City12:28 → 09:3017:51109 min17:500 min2 Nov
Port of Spain12:28 → 09:3017:4198 min17:410 min2 Nov
London16:28 → 13:3016:32115 min16:300 min2 Nov
Durban18:28 → 15:3018:1875 min18:190 min2 Nov
Dubai20:28 → 17:3017:370 min17:370 min2 Nov
Delhi21:58 → 19:0017:350 min17:3485 min3 Nov
Kolkata21:58 → 19:0016:580 min16:58102 min3 Nov
Singapore00:28 → 21:3018:500 min18:5096 min3 Nov
Sydney03:28 → 00:3019:230 min19:2484 min3 Nov
Suva05:28 → 02:3019:130 min19:1390 min3 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
govatsa-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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