Ruling · Govatsa Dvādaśī (Vasu Baras) · 2031

Tuesday 11 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 506 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 Tuesday 11 November

Taken. The only evening Dvādaśī reaches.

17:08 sunsetpradoṣa ends 18:58
16:4417:0817:3217:5618:2018:4419:0819:32

111 of 111 minutes covered

Evening of Wednesday 12 November

Dvādaśī is absent from pradoṣa. Not taken.

17:07 sunsetpradoṣa ends 18:58
16:4317:0717:3117:5518:1918:4319:0719:31

0 of 111 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 08:33 on Tue 11 Nov to 08:41 on Wed 12 Nov.

    2031-11-11T00:32:50Z → 2031-11-12T00:40:42Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:08–18:58 on the 11th, 17:07–18:58 on the 12th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 111 of 111 minutes on the 11th and 0 of 111 on the 12th.

    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 30380 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2031: Tuesday 11 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2031 falls on Tuesday 11 November. Dvādaśī runs from 08:33 on Tue 11 Nov to 08:41 on Wed 12 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2031/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 11 Nov
compat-drikpanchangComparison profileTue 11 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 11thCoveredSunset 12thCoveredRuled
Los Angeles16:33 → 16:4116:520 min16:510 min10 Nov
Chicago18:33 → 18:4116:33112 min16:320 min11 Nov
Jersey City19:33 → 19:4116:42112 min16:410 min11 Nov
Port of Spain20:33 → 20:4117:4099 min17:400 min11 Nov
London00:33 → 00:4116:17120 min16:150 min11 Nov
Durban02:33 → 02:4118:2584 min18:260 min11 Nov
Dubai04:33 → 04:4117:33104 min17:320 min11 Nov
Delhi06:03 → 06:1117:29106 min17:290 min11 Nov
Kolkata06:03 → 06:1116:54103 min16:540 min11 Nov
Singapore08:33 → 08:4118:5096 min18:500 min11 Nov
Sydney11:33 → 11:4119:3282 min19:330 min11 Nov
Suva12:33 → 12:4118:1789 min18:180 min11 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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