Ruling · Govatsa Dvādaśī (Vasu Baras) · 1939

Wednesday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 210 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 7 November

Dvādaśī is absent from pradoṣa. Not taken.

17:12 sunsetpradoṣa ends 19:02
16:4817:1217:3618:0018:2418:4819:12

0 of 109 minutes covered

Evening of Wednesday 8 November

Taken. The only evening Dvādaśī reaches.

17:11 sunsetpradoṣa ends 19:01
16:4717:1117:3517:5918:2318:4719:11

110 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 01:02 on Wed 8 Nov to 22:31 on Wed 8 Nov.

    1939-11-07T17:01:48Z → 1939-11-08T14:31:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:12–19:02 on the 7th, 17:11–19:01 on the 8th.

    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 109 minutes on the 7th and 110 of 110 on the 8th.

    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 12615 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1939: Wednesday 8 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1939 falls on Wednesday 8 November. Dvādaśī runs from 01:02 on Wed 8 Nov to 22:31 on Wed 8 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1939/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 8 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 8 Nov
compat-drikpanchangComparison profileWed 8 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 7thCoveredSunset 8thCoveredRuled
Los Angeles09:02 → 06:3116:55107 min16:540 min7 Nov
Chicago11:02 → 08:3116:38111 min16:370 min7 Nov
Jersey City12:02 → 09:3116:46110 min16:450 min7 Nov
Port of Spain13:02 → 10:3117:4198 min17:400 min7 Nov
London18:02 → 15:3117:2480 min17:230 min7 Nov
Durban19:02 → 16:3118:2245 min18:220 min7 Nov
Dubai21:02 → 18:3117:350 min17:3457 min8 Nov
Delhi22:32 → 20:0117:320 min17:32105 min8 Nov
Kolkata22:32 → 20:0116:560 min16:56103 min8 Nov
Singapore00:22 → 21:5118:100 min18:1096 min8 Nov
Sydney03:02 → 00:3118:270 min18:2883 min8 Nov
Suva05:02 → 02:3118:150 min18:1589 min8 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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