Ruling · Govatsa Dvādaśī (Vasu Baras) · 2063

Thursday 18 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 153 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 Thursday 18 October

Taken. The only evening Dvādaśī reaches.

17:36 sunsetpradoṣa ends 19:19
17:1217:3618:0018:2418:4819:1219:36

103 of 103 minutes covered

Evening of Friday 19 October

Dvādaśī is absent from pradoṣa. Not taken.

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

0 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 15:03 on Thu 18 Oct to 12:05 on Fri 19 Oct.

    2063-10-18T07:02:51Z → 2063-10-19T04:04:50Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:36–19:19 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 103 of 103 minutes on the 18th and 0 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 9179 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2063: Thursday 18 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2063 falls on Thursday 18 October. Dvādaśī runs from 15:03 on Thu 18 Oct to 12:05 on Fri 19 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2063/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 18 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 18 Oct
compat-drikpanchangComparison profileThu 18 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 Angeles00:03 → 21:0518:15102 min18:140 min18 Oct
Chicago02:03 → 23:0518:04105 min18:030 min18 Oct
Jersey City03:03 → 00:0518:11104 min18:100 min18 Oct
Port of Spain03:03 → 00:0517:4797 min17:460 min18 Oct
London08:03 → 05:0518:01108 min17:590 min18 Oct
Durban09:03 → 06:0518:0889 min18:080 min18 Oct
Dubai11:03 → 08:0517:49100 min17:480 min18 Oct
Delhi12:33 → 09:3517:48101 min17:470 min18 Oct
Kolkata12:33 → 09:3517:0999 min17:080 min18 Oct
Singapore15:03 → 12:0518:5295 min18:520 min18 Oct
Sydney18:03 → 15:0519:1188 min19:110 min18 Oct
Suva19:03 → 16:0518:0836 min18:080 min18 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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