Ruling · Govatsa Dvādaśī (Vasu Baras) · 1991

Sunday 3 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 75 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 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 Sunday 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 21:27 on Sat 2 Nov to 20:19 on Sun 3 Nov.

    1991-11-02T13:26:48Z → 1991-11-03T12:19:30Z

  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 4503 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1991: Sunday 3 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1991 falls on Sunday 3 November. Dvādaśī runs from 21:27 on Sat 2 Nov to 20:19 on Sun 3 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1991/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 3 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 3 Nov
compat-drikpanchangComparison profileSun 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 Angeles05:27 → 04:1916:59106 min16:580 min2 Nov
Chicago07:27 → 06:1916:44110 min16:430 min2 Nov
Jersey City08:27 → 07:1916:52109 min16:500 min2 Nov
Port of Spain09:27 → 08:1917:4298 min17:410 min2 Nov
London13:27 → 12:1916:32115 min16:310 min2 Nov
Durban15:27 → 14:1918:1886 min18:190 min2 Nov
Dubai17:27 → 16:1917:38103 min17:370 min2 Nov
Delhi18:57 → 17:4917:3523 min17:3515 min2 Nov
Kolkata18:57 → 17:4916:590 min16:5851 min3 Nov
Singapore21:27 → 20:1918:500 min18:5089 min3 Nov
Sydney00:27 → 23:1919:230 min19:2484 min3 Nov
Suva01:27 → 00:1918:130 min18:1390 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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