Ruling · Govatsa Dvādaśī (Vasu Baras) · 2037

Wednesday 4 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 469 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 4 November

Taken. The only evening Dvādaśī reaches.

17:14 sunsetpradoṣa ends 19:03
16:5017:1417:3818:0218:2618:5019:14

109 of 109 minutes covered

Evening of Thursday 5 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

Dvādaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 09:25 on Wed 4 Nov to 06:14 on Thu 5 Nov.

    2037-11-04T01:25:25Z → 2037-11-04T22:14:08Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:14–19:03 on the 4th, 17:13–19:02 on the 5th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 4th and 0 of 109 on the 5th.

    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 28129 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2037: Wednesday 4 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2037 falls on Wednesday 4 November. Dvādaśī runs from 09:25 on Wed 4 Nov to 06:14 on Thu 5 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2037/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 4 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 4 Nov
compat-drikpanchangComparison profileWed 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 4thCoveredSunset 5thCoveredRuled
Los Angeles17:25 → 14:1416:570 min16:560 min3 Nov
Chicago19:25 → 16:1416:400 min16:390 min3 Nov
Jersey City20:25 → 17:1416:4826 min16:470 min4 Nov
Port of Spain21:25 → 18:1417:4133 min17:410 min4 Nov
London01:25 → 22:1416:27117 min16:260 min4 Nov
Durban03:25 → 00:1418:2085 min18:210 min4 Nov
Dubai05:25 → 02:1417:36103 min17:350 min4 Nov
Delhi06:55 → 03:4417:33104 min17:330 min4 Nov
Kolkata06:55 → 03:4416:57102 min16:570 min4 Nov
Singapore09:25 → 06:1418:5096 min18:500 min4 Nov
Sydney12:25 → 09:1419:2683 min19:270 min4 Nov
Suva13:25 → 10:1418:1490 min18:150 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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