Ruling · Govatsa Dvādaśī (Vasu Baras) · 2016

Wednesday 26 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 24 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 Wednesday 26 October

Taken. Both evenings qualify; the rule takes the first.

17:25 sunsetpradoṣa ends 19:11
17:0117:2517:4918:1318:3719:0119:25

106 of 106 minutes covered

Evening of Thursday 27 October

Qualifies with 82 of 106 minutes. Not taken.

17:23 sunsetpradoṣa ends 19:10
Dvādaśī ends 18:45:31
16:5917:2317:4718:1118:3518:5919:23

82 of 106 minutes covered, the first 82

Dvādaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 17:01 on Wed 26 Oct to 18:46 on Thu 27 Oct.

    2016-10-26T09:00:31Z → 2016-10-27T10:45:32Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:25–19:11 on the 26th, 17:23–19:10 on the 27th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 26th and 82 of 106 on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both evenings qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1444 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2016: Wednesday 26 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2016 falls on Wednesday 26 October. Dvādaśī runs from 17:01 on Wed 26 Oct to 18:46 on Thu 27 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 82 minutes; by the rule the first evening is taken.

ahargana.org/baoding/festivals/2016/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 26 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 26 Oct
compat-drikpanchangComparison profileWed 26 Oct
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 26thCoveredSunset 27thCoveredRuled
Los Angeles02:01 → 03:4618:05104 min18:040 min26 Oct
Chicago04:01 → 05:4617:52107 min17:500 min26 Oct
Jersey City05:01 → 06:4617:59107 min17:580 min26 Oct
Port of Spain05:01 → 06:4617:4398 min17:430 min26 Oct
London10:01 → 11:4617:44112 min17:420 min26 Oct
Durban11:01 → 12:4618:1387 min18:140 min26 Oct
Dubai13:01 → 14:4617:42102 min17:410 min26 Oct
Delhi14:31 → 16:1617:40103 min17:400 min26 Oct
Kolkata14:31 → 16:1617:03101 min17:020 min26 Oct
Singapore17:01 → 18:4618:5195 min18:500 min26 Oct
Sydney20:01 → 21:4619:1843 min19:1885 min26 Oct
Suva21:01 → 22:4618:100 min18:1190 min27 Oct
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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