Ruling · Govatsa Dvādaśī (Vasu Baras) · 1966

Wednesday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 431 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 Wednesday 9 November

Taken. The only evening Dvādaśī reaches.

17:10 sunsetpradoṣa ends 19:00
16:4617:1017:3417:5818:2218:4619:1019:34

110 of 110 minutes covered

Evening of Thursday 10 November

Dvādaśī is absent from pradoṣa. Not taken.

17:09 sunsetpradoṣa ends 18:59
16:4517:0917:3317:5718:2118:4519:0919:33

0 of 110 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 09:59 on Wed 9 Nov to 07:02 on Thu 10 Nov.

    1966-11-09T01:58:32Z → 1966-11-09T23:02:08Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:10–19:00 on the 9th, 17:09–18:59 on the 10th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 110 of 110 minutes on the 9th and 0 of 110 on the 10th.

    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 25889 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1966: Wednesday 9 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1966 falls on Wednesday 9 November. Dvādaśī runs from 09:59 on Wed 9 Nov to 07:02 on Thu 10 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1966/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 9 Nov
compat-drikpanchangComparison profileWed 9 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 9thCoveredSunset 10thCoveredRuled
Los Angeles17:59 → 15:0216:530 min16:530 min8 Nov
Chicago19:59 → 17:0216:3626 min16:350 min9 Nov
Jersey City20:59 → 18:0216:4478 min16:430 min9 Nov
Port of Spain21:59 → 19:0217:4082 min17:400 min9 Nov
London01:59 → 23:0216:20119 min16:190 min9 Nov
Durban03:59 → 01:0218:2484 min18:240 min9 Nov
Dubai05:59 → 03:0217:34104 min17:330 min9 Nov
Delhi07:29 → 04:3217:31105 min17:300 min9 Nov
Kolkata07:29 → 04:3216:55103 min16:550 min9 Nov
Singapore09:29 → 06:3218:2096 min18:200 min9 Nov
Sydney11:59 → 09:0218:3082 min18:310 min9 Nov
Suva13:59 → 11:0218:1689 min18:170 min9 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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