Ruling · Govatsa Dvādaśī (Vasu Baras) · 1947

Sunday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 624 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 Saturday 8 November

Dvādaśī is absent from pradoṣa. Not taken.

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

0 of 110 minutes covered

Evening of Sunday 9 November

Taken. The only evening Dvādaśī reaches.

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

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 06:39 on Sun 9 Nov to 05:24 on Mon 10 Nov.

    1947-11-08T22:39:12Z → 1947-11-09T21:23:54Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:11–19:01 on the 8th, 17:10–19:00 on the 9th.

    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 110 minutes on the 8th and 110 of 110 on the 9th.

    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 37421 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1947: Sunday 9 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1947 falls on Sunday 9 November. Dvādaśī runs from 06:39 on Sun 9 Nov to 05:24 on Mon 10 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1947/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 9 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 9 Nov
compat-drikpanchangComparison profileSun 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 8thCoveredSunset 9thCoveredRuled
Los Angeles14:39 → 13:2416:54107 min16:540 min8 Nov
Chicago16:39 → 15:2416:37109 min16:360 min8 Nov
Jersey City17:39 → 16:2416:4557 min16:440 min8 Nov
Port of Spain18:39 → 17:2417:4040 min17:400 min8 Nov
London22:39 → 21:2416:230 min16:21118 min9 Nov
Durban00:39 → 23:2418:230 min18:2384 min9 Nov
Dubai02:39 → 01:2417:340 min17:34104 min9 Nov
Delhi04:09 → 02:5417:320 min17:31105 min9 Nov
Kolkata04:09 → 02:5416:560 min16:55103 min9 Nov
Singapore06:09 → 04:5418:200 min18:2096 min9 Nov
Sydney08:39 → 07:2418:280 min18:2983 min9 Nov
Suva10:39 → 09:2418:160 min18:1689 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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