Ruling · Govatsa Dvādaśī (Vasu Baras) · 1974

Sunday 10 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 121 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 Sunday 10 November

Taken. The only evening Dvādaśī reaches.

17:09 sunsetpradoṣa ends 18:59
16:4517:0917:3317:5718:2118:4519:0919:33

110 of 110 minutes covered

Evening of Monday 11 November

Dvādaśī is absent from pradoṣa. Not taken.

17:08 sunsetpradoṣa ends 18:59
16:4417:0817:3217:5618:2018:4419:0819:32

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 15:08 on Sun 10 Nov to 13:07 on Mon 11 Nov.

    1974-11-10T07:08:02Z → 1974-11-11T05:07:07Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:09–18:59 on the 10th, 17:08–18:59 on the 11th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 110 of 110 minutes on the 10th and 0 of 110 on the 11th.

    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 7259 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1974: Sunday 10 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1974 falls on Sunday 10 November. Dvādaśī runs from 15:08 on Sun 10 Nov to 13:07 on Mon 11 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1974/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 10 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 10 Nov
compat-drikpanchangComparison profileSun 10 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 10thCoveredSunset 11thCoveredRuled
Los Angeles23:08 → 21:0716:52108 min16:520 min10 Nov
Chicago01:08 → 23:0716:35112 min16:340 min10 Nov
Jersey City02:08 → 00:0716:43111 min16:420 min10 Nov
Port of Spain03:08 → 01:0717:4099 min17:400 min10 Nov
London07:08 → 05:0716:19119 min16:170 min10 Nov
Durban09:08 → 07:0718:2584 min18:250 min10 Nov
Dubai11:08 → 09:0717:33104 min17:330 min10 Nov
Delhi12:38 → 10:3717:30105 min17:290 min10 Nov
Kolkata12:38 → 10:3716:55103 min16:540 min10 Nov
Singapore14:38 → 12:3718:2096 min18:200 min10 Nov
Sydney18:08 → 16:0719:3182 min19:320 min10 Nov
Suva19:08 → 17:0718:1738 min18:170 min10 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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