Ruling · Govatsa Dvādaśī (Vasu Baras) · 1917

Sunday 11 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 159 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 10 November

Dvādaśī is absent from pradoṣa. Not taken.

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

0 of 110 minutes covered

Evening of Sunday 11 November

Taken. The only evening Dvādaśī reaches.

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

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 21:38 on Sat 10 Nov to 23:34 on Sun 11 Nov.

    1917-11-10T13:38:07Z → 1917-11-11T15:34:07Z

  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 0 of 110 minutes on the 10th and 110 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 9523 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1917: Sunday 11 November.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1917 falls on Sunday 11 November. Dvādaśī runs from 21:38 on Sat 10 Nov to 23:34 on Sun 11 Nov and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1917/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 11 Nov
compat-drikpanchangComparison profileSun 11 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 Angeles05:38 → 07:3416:53108 min16:520 min10 Nov
Chicago07:38 → 09:3416:35112 min16:340 min10 Nov
Jersey City08:38 → 10:3416:43111 min16:420 min10 Nov
Port of Spain09:38 → 11:3417:4099 min17:400 min10 Nov
London13:38 → 15:3416:19119 min16:170 min10 Nov
Durban15:38 → 17:3418:2484 min18:250 min10 Nov
Dubai17:19 → 19:1517:1499 min17:14104 min10 Nov
Delhi19:08 → 21:0417:307 min17:30106 min10 Nov
Kolkata19:08 → 21:0416:550 min16:54103 min11 Nov
Singapore20:38 → 22:3417:500 min17:5096 min11 Nov
Sydney23:38 → 01:3418:310 min18:3282 min11 Nov
Suva01:38 → 03:3418:170 min18:1789 min11 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

About Ahargaṇa