Ruling · Govatsa Dvādaśī (Vasu Baras) · 2080

Friday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 468 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 Thursday 7 November

Dvādaśī is absent from pradoṣa. Not taken.

17:11 sunsetpradoṣa ends 19:01
16:4717:1117:3517:5918:2318:4719:1119:35

0 of 110 minutes covered

Evening of Friday 8 November

Taken. The only evening Dvādaśī reaches.

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

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 04:25 on Fri 8 Nov to 02:48 on Sat 9 Nov.

    2080-11-07T20:24:37Z → 2080-11-08T18:48:02Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:11–19:01 on the 7th, 17:10–19:00 on the 8th.

    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 110 minutes on the 7th and 110 of 110 on the 8th.

    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 28092 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2080: Friday 8 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2080 falls on Friday 8 November. Dvādaśī runs from 04:25 on Fri 8 Nov to 02:48 on Sat 9 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2080/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 8 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 8 Nov
compat-drikpanchangComparison profileFri 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 7thCoveredSunset 8thCoveredRuled
Los Angeles12:25 → 10:4816:54108 min16:530 min7 Nov
Chicago14:25 → 12:4816:37112 min16:350 min7 Nov
Jersey City15:25 → 13:4816:45111 min16:440 min7 Nov
Port of Spain16:25 → 14:4817:4099 min17:400 min7 Nov
London20:25 → 18:4816:220 min16:20119 min8 Nov
Durban22:25 → 20:4818:230 min18:2484 min8 Nov
Dubai00:25 → 22:4817:340 min17:34104 min8 Nov
Delhi01:55 → 00:1817:310 min17:31105 min8 Nov
Kolkata01:55 → 00:1816:550 min16:55103 min8 Nov
Singapore04:25 → 02:4818:500 min18:5096 min8 Nov
Sydney07:25 → 05:4819:290 min19:3082 min8 Nov
Suva08:25 → 06:4818:160 min18:1689 min8 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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