Ruling · Govatsa Dvādaśī (Vasu Baras) · 1910

Saturday 29 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 420 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 Friday 28 October

Dvādaśī is absent from pradoṣa. Not taken.

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

0 of 106 minutes covered

Evening of Saturday 29 October

Taken. The only evening Dvādaśī reaches.

17:23 sunsetpradoṣa ends 19:09
16:5917:2317:4718:1118:3518:5919:23

107 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 02:10 on Sat 29 Oct to 03:31 on Sun 30 Oct.

    1910-10-28T18:10:02Z → 1910-10-29T19:31:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:24–19:10 on the 28th, 17:23–19:09 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 0 of 106 minutes on the 28th and 107 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 25198 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1910: Saturday 29 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1910 falls on Saturday 29 October. Dvādaśī runs from 02:10 on Sat 29 Oct to 03:31 on Sun 30 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1910/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 Angeles10:10 → 11:3117:05105 min17:040 min28 Oct
Chicago12:10 → 13:3116:51108 min16:500 min28 Oct
Jersey City13:10 → 14:3116:58107 min16:570 min28 Oct
Port of Spain14:10 → 15:3117:4398 min17:430 min28 Oct
London18:10 → 19:3116:4225 min16:40113 min28 Oct
Durban20:10 → 21:3118:140 min18:1587 min29 Oct
Dubai21:51 → 23:1217:230 min17:22102 min29 Oct
Delhi23:40 → 01:0117:400 min17:39103 min29 Oct
Kolkata23:40 → 01:0117:020 min17:01101 min29 Oct
Singapore01:10 → 02:3117:510 min17:5095 min29 Oct
Sydney04:10 → 05:3118:180 min18:1985 min29 Oct
Suva06:05 → 07:2618:060 min18:0690 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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