Ruling · Govatsa Dvādaśī (Vasu Baras) · 1915

Thursday 4 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 317 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 Wednesday 3 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 Thursday 4 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 01:55 on Thu 4 Nov to 00:22 on Fri 5 Nov.

    1915-11-03T17:54:53Z → 1915-11-04T16:21:34Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:17–19:05 on the 3rd, 17:16–19:04 on the 4th.

    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 3rd and 108 of 108 on the 4th.

    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 19045 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1915: Thursday 4 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1915 falls on Thursday 4 November. Dvādaśī runs from 01:55 on Thu 4 Nov to 00:22 on Fri 5 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1915/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 4 Nov
compat-drikpanchangComparison profileThu 4 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 3rdCoveredSunset 4thCoveredRuled
Los Angeles09:55 → 08:2216:59106 min16:580 min3 Nov
Chicago11:55 → 10:2216:43110 min16:420 min3 Nov
Jersey City12:55 → 11:2216:51109 min16:500 min3 Nov
Port of Spain13:55 → 12:2217:4198 min17:410 min3 Nov
London17:55 → 16:2216:3232 min16:300 min3 Nov
Durban19:55 → 18:2218:180 min18:192 min4 Nov
Dubai21:36 → 20:0317:190 min17:18103 min4 Nov
Delhi23:25 → 21:5217:350 min17:34104 min4 Nov
Kolkata23:25 → 21:5216:580 min16:58102 min4 Nov
Singapore00:55 → 23:2217:500 min17:5096 min4 Nov
Sydney03:55 → 02:2218:240 min18:2484 min4 Nov
Suva05:55 → 04:2218:130 min18:1490 min4 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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