Ruling · Govatsa Dvādaśī (Vasu Baras) · 1977

Tuesday 8 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 262 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 Monday 7 November

Dvādaśī is absent from pradoṣa. Not taken.

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

0 of 109 minutes covered

Evening of Tuesday 8 November

Taken. The only evening Dvādaśī reaches.

17:11 sunsetpradoṣa ends 19:00
16:4717:1117:3517:5918:2318:4719:11

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 00:52 on Tue 8 Nov to 23:22 on Tue 8 Nov.

    1977-11-07T16:52:27Z → 1977-11-08T15:22:00Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:12–19:01 on the 7th, 17:11–19:00 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 109 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 15695 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1977: Tuesday 8 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1977 falls on Tuesday 8 November. Dvādaśī runs from 00:52 on Tue 8 Nov to 23:22 on Tue 8 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1977/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 8 Nov
compat-drikpanchangComparison profileTue 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 Angeles08:52 → 07:2216:55107 min16:540 min7 Nov
Chicago10:52 → 09:2216:38111 min16:360 min7 Nov
Jersey City11:52 → 10:2216:46111 min16:450 min7 Nov
Port of Spain12:52 → 11:2217:4099 min17:400 min7 Nov
London16:52 → 15:2216:2388 min16:210 min7 Nov
Durban18:52 → 17:2218:2254 min18:230 min7 Nov
Dubai20:52 → 19:2217:350 min17:34104 min8 Nov
Delhi22:22 → 20:5217:320 min17:31105 min8 Nov
Kolkata22:22 → 20:5216:560 min16:55103 min8 Nov
Singapore00:22 → 22:5218:200 min18:2096 min8 Nov
Sydney03:52 → 02:2219:280 min19:2983 min8 Nov
Suva04:52 → 03:2218:150 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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