Ruling · Govatsa Dvādaśī (Vasu Baras) · 1901

Thursday 7 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 555 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

Taken. The only evening Dvādaśī reaches.

17:12 sunsetpradoṣa ends 19:02
16:4817:1217:3618:0018:2418:4819:12

109 of 109 minutes covered

Evening of Friday 8 November

Dvādaśī is absent from pradoṣa. Not taken.

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

0 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 05:58 on Thu 7 Nov to 07:57 on Fri 8 Nov.

    1901-11-06T21:57:30Z → 1901-11-07T23:56:39Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:12–19:02 on the 7th, 17:11–19:01 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 109 of 109 minutes on the 7th and 0 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 33276 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1901: Thursday 7 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1901 falls on Thursday 7 November. Dvādaśī runs from 05:58 on Thu 7 Nov to 07:57 on Fri 8 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1901/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 7 Nov
compat-drikpanchangComparison profileThu 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 Angeles13:58 → 15:5716:56107 min16:550 min6 Nov
Chicago15:58 → 17:5716:39111 min16:3878 min6 Nov
Jersey City16:58 → 18:5716:47100 min16:46110 min6 Nov
Port of Spain17:58 → 19:5717:4182 min17:4199 min6 Nov
London21:58 → 23:5716:260 min16:24118 min7 Nov
Durban23:28 → 01:2717:510 min17:5285 min7 Nov
Dubai01:39 → 03:3817:160 min17:16103 min7 Nov
Delhi03:19 → 05:1817:240 min17:23105 min7 Nov
Kolkata03:19 → 05:1816:480 min16:47102 min7 Nov
Singapore04:53 → 06:5217:450 min17:4596 min7 Nov
Sydney07:58 → 09:5718:270 min18:2883 min7 Nov
Suva09:53 → 11:5218:100 min18:1089 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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