Ruling · Govatsa Dvādaśī (Vasu Baras) · 2004

Tuesday 9 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 571 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 Monday 8 November

Dvādaśī is absent from pradoṣa. Not taken.

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

0 of 110 minutes covered

Evening of Tuesday 9 November

Taken. The only evening Dvādaśī reaches.

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

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 05:13 on Tue 9 Nov to 04:30 on Wed 10 Nov.

    2004-11-08T21:12:55Z → 2004-11-09T20:30:12Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:10–19:00 on the 8th, 17:09–18:59 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 34248 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2004: Tuesday 9 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2004 falls on Tuesday 9 November. Dvādaśī runs from 05:13 on Tue 9 Nov to 04:30 on Wed 10 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2004/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 9 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 9 Nov
compat-drikpanchangComparison profileTue 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 Angeles13:13 → 12:3016:53108 min16:530 min8 Nov
Chicago15:13 → 14:3016:36112 min16:350 min8 Nov
Jersey City16:13 → 15:3016:44111 min16:430 min8 Nov
Port of Spain17:13 → 16:3017:4099 min17:400 min8 Nov
London21:13 → 20:3016:210 min16:19119 min9 Nov
Durban23:13 → 22:3018:230 min18:2484 min9 Nov
Dubai01:13 → 00:3017:340 min17:33104 min9 Nov
Delhi02:43 → 02:0017:310 min17:30105 min9 Nov
Kolkata02:43 → 02:0016:550 min16:55103 min9 Nov
Singapore05:13 → 04:3018:500 min18:5096 min9 Nov
Sydney08:13 → 07:3019:290 min19:3082 min9 Nov
Suva09:13 → 08:3018:160 min18:1789 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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