Ruling · Govatsa Dvādaśī (Vasu Baras) · 2006

Wednesday 18 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 457 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 17 October

Dvādaśī is absent from pradoṣa. Not taken.

17:37 sunsetpradoṣa ends 19:20
17:1317:3718:0118:2518:4919:1319:37

0 of 103 minutes covered

Evening of Wednesday 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 02:58 on Wed 18 Oct to 05:39 on Thu 19 Oct.

    2006-10-17T18:57:37Z → 2006-10-18T21:38:58Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:37–19:20 on the 17th, 17:36–19:19 on the 18th.

    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 103 minutes on the 17th and 103 of 103 on the 18th.

    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 27430 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2006: Wednesday 18 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2006 falls on Wednesday 18 October. Dvādaśī runs from 02:58 on Wed 18 Oct to 05:39 on Thu 19 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2006/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 18 Oct
compat-drikpanchangComparison profileWed 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 17thCoveredSunset 18thCoveredRuled
Los Angeles11:58 → 14:3918:16102 min18:150 min17 Oct
Chicago13:58 → 16:3918:06104 min18:040 min17 Oct
Jersey City14:58 → 17:3918:13104 min18:110 min17 Oct
Port of Spain14:58 → 17:3917:4797 min17:470 min17 Oct
London19:58 → 22:3918:030 min18:01108 min18 Oct
Durban20:58 → 23:3918:070 min18:0789 min18 Oct
Dubai22:58 → 01:3917:500 min17:49100 min18 Oct
Delhi00:28 → 03:0917:500 min17:48101 min18 Oct
Kolkata00:28 → 03:0917:100 min17:0999 min18 Oct
Singapore02:58 → 05:3918:520 min18:5295 min18 Oct
Sydney04:58 → 07:3918:090 min18:1088 min18 Oct
Suva06:58 → 09:3918:070 min18:0892 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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