Ruling · Govatsa Dvādaśī (Vasu Baras) · 2042

Saturday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 45 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 8 November

Taken. Both evenings qualify; the rule takes the first.

17:10 sunsetpradoṣa ends 19:00
Dvādaśī begins 17:55:14
16:4617:1017:3417:5818:2218:4619:1019:34

65 of 110 minutes covered, the last 65

Evening of Sunday 9 November

Qualifies with 110 of 110 minutes. Not taken.

17:09 sunsetpradoṣa ends 19:00
16:4517:0917:3317:5718:2118:4519:0919:33

110 of 110 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 17:55 on Sat 8 Nov to 20:35 on Sun 9 Nov.

    2042-11-08T09:55:15Z → 2042-11-09T12:35:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:10–19:00 on the 8th, 17:09–19:00 on the 9th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 65 of 110 minutes on the 8th and 110 of 110 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both evenings qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 2691 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2042: Saturday 8 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2042 falls on Saturday 8 November. Dvādaśī runs from 17:55 on Sat 8 Nov to 20:35 on Sun 9 Nov and covers 65 of 110 minutes of pradoṣa that evening. It also reaches the next evening for 110 minutes; by the rule the first evening is taken.

ahargana.org/baoding/festivals/2042/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 8 Nov
compat-drikpanchangComparison profileSat 8 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 8thCoveredSunset 9thCoveredRuled
Los Angeles01:55 → 04:3516:54108 min16:530 min8 Nov
Chicago03:55 → 06:3516:36112 min16:350 min8 Nov
Jersey City04:55 → 07:3516:44111 min16:430 min8 Nov
Port of Spain05:55 → 08:3517:4099 min17:400 min8 Nov
London09:55 → 12:3516:21118 min16:190 min8 Nov
Durban11:55 → 14:3518:2384 min18:240 min8 Nov
Dubai13:55 → 16:3517:34104 min17:330 min8 Nov
Delhi15:25 → 18:0517:31105 min17:3035 min8 Nov
Kolkata15:25 → 18:0516:55103 min16:5571 min8 Nov
Singapore17:55 → 20:3518:5096 min18:5096 min8 Nov
Sydney20:55 → 23:3519:290 min19:3082 min9 Nov
Suva21:55 → 00:3518:160 min18:1689 min9 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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