Ruling · Govatsa Dvādaśī (Vasu Baras) · 2018

Sunday 4 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 531 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 3 November

Dvādaśī is absent from pradoṣa. Not taken.

17:16 sunsetpradoṣa ends 19:04
16:5217:1617:4018:0418:2818:5219:16

0 of 108 minutes covered

Evening of Sunday 4 November

Taken. The only evening Dvādaśī reaches.

17:15 sunsetpradoṣa ends 19:03
16:5117:1517:3918:0318:2718:5119:15

109 of 109 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 05:44 on Sun 4 Nov to 03:55 on Mon 5 Nov.

    2018-11-03T21:44:07Z → 2018-11-04T19:54:41Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:16–19:04 on the 3rd, 17:15–19:03 on the 4th.

    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 108 minutes on the 3rd and 109 of 109 on the 4th.

    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 31885 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2018: Sunday 4 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2018 falls on Sunday 4 November. Dvādaśī runs from 05:44 on Sun 4 Nov to 03:55 on Mon 5 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2018/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 4 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 4 Nov
compat-drikpanchangComparison profileSun 4 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 3rdCoveredSunset 4thCoveredRuled
Los Angeles14:44 → 11:5517:58106 min16:570 min3 Nov
Chicago16:44 → 13:5517:42110 min16:410 min3 Nov
Jersey City17:44 → 14:5517:50109 min16:490 min3 Nov
Port of Spain17:44 → 15:5517:4195 min17:410 min3 Nov
London21:44 → 19:5516:300 min16:28116 min4 Nov
Durban23:44 → 21:5518:190 min18:2085 min4 Nov
Dubai01:44 → 23:5517:370 min17:36103 min4 Nov
Delhi03:14 → 01:2517:340 min17:34104 min4 Nov
Kolkata03:14 → 01:2516:580 min16:57102 min4 Nov
Singapore05:44 → 03:5518:500 min18:5096 min4 Nov
Sydney08:44 → 06:5519:240 min19:2584 min4 Nov
Suva10:44 → 08:5518:130 min19:1490 min4 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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