Ruling · Govatsa Dvādaśī (Vasu Baras) · 1920

Sunday 7 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 214 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 6 November

Dvādaśī is absent from pradoṣa. Not taken.

17:13 sunsetpradoṣa ends 19:02
16:4917:1317:3718:0118:2518:4919:13

0 of 109 minutes covered

Evening of Sunday 7 November

Taken. The only evening Dvādaśī reaches.

17:12 sunsetpradoṣa ends 19:01
16:4817:1217:3618:0018:2418:4819:12

109 of 109 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 22:59 on Sat 6 Nov to 22:36 on Sun 7 Nov.

    1920-11-06T14:59:14Z → 1920-11-07T14:35:46Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:13–19:02 on the 6th, 17:12–19:01 on the 7th.

    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 109 minutes on the 6th and 109 of 109 on the 7th.

    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 12869 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1920: Sunday 7 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1920 falls on Sunday 7 November. Dvādaśī runs from 22:59 on Sat 6 Nov to 22:36 on Sun 7 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1920/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 7 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 7 Nov
compat-drikpanchangComparison profileSun 7 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 6thCoveredSunset 7thCoveredRuled
Los Angeles06:59 → 06:3616:56107 min16:550 min6 Nov
Chicago08:59 → 08:3616:39111 min16:380 min6 Nov
Jersey City09:59 → 09:3616:47110 min16:460 min6 Nov
Port of Spain10:59 → 10:3617:4198 min17:400 min6 Nov
London14:59 → 14:3616:25117 min16:230 min6 Nov
Durban16:59 → 16:3618:2185 min18:220 min6 Nov
Dubai18:59 → 18:3617:3519 min17:3561 min6 Nov
Delhi20:29 → 20:0617:330 min17:32105 min7 Nov
Kolkata20:29 → 20:0616:560 min16:56103 min7 Nov
Singapore21:59 → 21:3617:500 min17:5096 min7 Nov
Sydney00:59 → 00:3618:270 min18:2883 min7 Nov
Suva02:59 → 02:3618:150 min18:1589 min7 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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