Ruling · Govatsa Dvādaśī (Vasu Baras) · 2005

Saturday 29 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 590 minutes.

Decide it for

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 Saturday 29 October

Taken. The only evening Dvādaśī reaches.

17:21 sunsetpradoṣa ends 19:08
16:5717:2117:4518:0918:3318:5719:21

107 of 107 minutes covered

Evening of Sunday 30 October

Dvādaśī is absent from pradoṣa. Not taken.

17:20 sunsetpradoṣa ends 19:07
16:5617:2017:4418:0818:3218:5619:20

0 of 107 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 05:44 on Sat 29 Oct to 07:30 on Sun 30 Oct.

    2005-10-28T21:43:34Z → 2005-10-29T23:30:25Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:21–19:08 on the 29th, 17:20–19:07 on the 30th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 29th and 0 of 107 on the 30th.

    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 35382 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2005: Saturday 29 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2005 falls on Saturday 29 October. Dvādaśī runs from 05:44 on Sat 29 Oct to 07:30 on Sun 30 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2005/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 29 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 29 Oct
compat-drikpanchangComparison profileSat 29 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 28thCoveredSunset 29thCoveredRuled
Los Angeles14:44 → 16:3018:04105 min18:030 min28 Oct
Chicago16:44 → 18:3017:50108 min17:4842 min28 Oct
Jersey City17:44 → 19:3017:57108 min17:5695 min28 Oct
Port of Spain17:44 → 19:3017:4397 min17:4398 min28 Oct
London22:44 → 00:3017:400 min17:39114 min29 Oct
Durban23:44 → 01:3018:150 min18:1586 min29 Oct
Dubai01:44 → 03:3017:410 min17:40102 min29 Oct
Delhi03:14 → 05:0017:390 min17:38103 min29 Oct
Kolkata03:14 → 05:0017:010 min17:01101 min29 Oct
Singapore05:44 → 07:3018:500 min18:5095 min29 Oct
Sydney07:44 → 10:3018:190 min18:2085 min29 Oct
Suva09:44 → 11:3018:110 min18:1190 min29 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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