Ruling · Govatsa Dvādaśī (Vasu Baras) · 2033

Wednesday 19 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 588 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 Tuesday 18 October

Dvādaśī is absent from pradoṣa. Not taken.

17:35 sunsetpradoṣa ends 19:19
17:1117:3517:5918:2318:4719:1119:35

0 of 104 minutes covered

Evening of Wednesday 19 October

Taken. The only evening Dvādaśī reaches.

17:34 sunsetpradoṣa ends 19:18
17:1017:3417:5818:2218:4619:1019:34

104 of 104 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 05:07 on Wed 19 Oct to 07:30 on Thu 20 Oct.

    2033-10-18T21:07:01Z → 2033-10-19T23:29:55Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:35–19:19 on the 18th, 17:34–19:18 on the 19th.

    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 104 minutes on the 18th and 104 of 104 on the 19th.

    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 35288 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2033: Wednesday 19 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2033 falls on Wednesday 19 October. Dvādaśī runs from 05:07 on Wed 19 Oct to 07:30 on Thu 20 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2033/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 19 Oct
compat-drikpanchangComparison profileWed 19 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 18thCoveredSunset 19thCoveredRuled
Los Angeles14:07 → 16:3018:14102 min18:130 min18 Oct
Chicago16:07 → 18:3018:04105 min18:0228 min18 Oct
Jersey City17:07 → 19:3018:11104 min18:0981 min18 Oct
Port of Spain17:07 → 19:3017:4797 min17:4697 min18 Oct
London22:07 → 00:3018:000 min17:58109 min19 Oct
Durban23:07 → 01:3018:080 min18:0889 min19 Oct
Dubai01:07 → 03:3017:490 min17:48100 min19 Oct
Delhi02:37 → 05:0017:480 min17:47101 min19 Oct
Kolkata02:37 → 05:0017:090 min17:08100 min19 Oct
Singapore05:07 → 07:3018:520 min18:5295 min19 Oct
Sydney08:07 → 10:3019:110 min19:1288 min19 Oct
Suva09:07 → 11:3018:080 min18:0891 min19 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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