Ruling · Govatsa Dvādaśī (Vasu Baras) · 2087

Wednesday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 217 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 22 October

Taken. The only evening Dvādaśī reaches.

17:30 sunsetpradoṣa ends 19:15
17:0617:3017:5418:1818:4219:0619:30

105 of 105 minutes covered

Evening of Thursday 23 October

Dvādaśī is absent from pradoṣa. Not taken.

17:29 sunsetpradoṣa ends 19:14
17:0517:2917:5318:1718:4119:0519:29

0 of 105 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 12:49 on Wed 22 Oct to 13:51 on Thu 23 Oct.

    2087-10-22T04:49:27Z → 2087-10-23T05:51:30Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:30–19:15 on the 22nd, 17:29–19:14 on the 23rd.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 105 of 105 minutes on the 22nd and 0 of 105 on the 23rd.

    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 13048 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2087: Wednesday 22 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2087 falls on Wednesday 22 October. Dvādaśī runs from 12:49 on Wed 22 Oct to 13:51 on Thu 23 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2087/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 22 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 22 Oct
compat-drikpanchangComparison profileWed 22 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 22ndCoveredSunset 23rdCoveredRuled
Los Angeles21:49 → 22:5118:10103 min18:090 min22 Oct
Chicago23:49 → 00:5117:58106 min17:570 min22 Oct
Jersey City00:49 → 01:5118:05106 min18:040 min22 Oct
Port of Spain00:49 → 01:5117:4597 min17:450 min22 Oct
London05:49 → 06:5117:52110 min17:500 min22 Oct
Durban06:49 → 07:5118:1188 min18:110 min22 Oct
Dubai08:49 → 09:5117:46101 min17:450 min22 Oct
Delhi10:19 → 11:2117:44102 min17:440 min22 Oct
Kolkata10:19 → 11:2117:06100 min17:050 min22 Oct
Singapore12:49 → 13:5118:5195 min18:510 min22 Oct
Sydney15:49 → 16:5119:1487 min19:150 min22 Oct
Suva16:49 → 17:5118:0991 min18:100 min22 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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