Ruling · Govatsa Dvādaśī (Vasu Baras) · 1959

Wednesday 28 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 35 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 28 October

Taken. The only evening Dvādaśī reaches.

17:24 sunsetpradoṣa ends 19:10
17:0017:2417:4818:1218:3619:0019:24

106 of 106 minutes covered

Evening of Thursday 29 October

Dvādaśī is absent from pradoṣa. Not taken.

17:22 sunsetpradoṣa ends 19:09
16:5817:2217:4618:1018:3418:5819:22

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 16:49 on Wed 28 Oct to 15:11 on Thu 29 Oct.

    1959-10-28T08:48:47Z → 1959-10-29T07:10:55Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:24–19:10 on the 28th, 17:22–19:09 on the 29th.

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

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 28th and 0 of 107 on the 29th.

    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 2088 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1959: Wednesday 28 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1959 falls on Wednesday 28 October. Dvādaśī runs from 16:49 on Wed 28 Oct to 15:11 on Thu 29 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1959/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 28 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 28 Oct
compat-drikpanchangComparison profileWed 28 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 Angeles00:49 → 23:1117:04105 min17:030 min28 Oct
Chicago02:49 → 01:1116:51108 min16:490 min28 Oct
Jersey City03:49 → 02:1116:58107 min16:570 min28 Oct
Port of Spain04:49 → 03:1117:4398 min17:430 min28 Oct
London08:49 → 07:1116:42113 min16:400 min28 Oct
Durban10:49 → 09:1118:1487 min18:150 min28 Oct
Dubai12:49 → 11:1117:41102 min17:410 min28 Oct
Delhi14:19 → 12:4117:40103 min17:390 min28 Oct
Kolkata14:19 → 12:4117:02101 min17:010 min28 Oct
Singapore16:19 → 14:4118:2195 min18:200 min28 Oct
Sydney18:49 → 17:1118:1855 min18:190 min28 Oct
Suva20:49 → 19:1118:110 min18:1160 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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