Ruling · Govatsa Dvādaśī (Vasu Baras) · 2027

Tuesday 26 October

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 330 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Monday 25 October

Dvādaśī is absent from pradoṣa. Not taken.

17:53 sunsetpradoṣa ends 19:34
17:2917:5318:1718:4119:0519:2919:53

0 of 101 minutes covered

Evening of Tuesday 26 October

Taken. The only evening Dvādaśī reaches.

17:53 sunsetpradoṣa ends 19:34
17:2917:5318:1718:4119:0519:2919:53

101 of 101 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 03:23 on Tue 26 Oct to 01:04 on Wed 27 Oct.

    2027-10-25T21:52:39Z → 2027-10-26T19:34:00Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:53–19:34 on the 25th, 17:53–19:34 on the 26th.

    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 101 minutes on the 25th and 101 of 101 on the 26th.

    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 19828 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Ujjain, 2027: Tuesday 26 October.

    confidence: determinate

Say it like this

In Ujjain, Govatsa Dvādaśī (Vasu Baras) 2027 falls on Tuesday 26 October. Dvādaśī runs from 03:23 on Tue 26 Oct to 01:04 on Wed 27 Oct and covers all of pradoṣa that evening.

ahargana.org/ujjain/festivals/2027/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 26 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 26 Oct
compat-drikpanchangComparison profileTue 26 Oct
No institution has a recorded ruling for Ujjain.

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 25thCoveredSunset 26thCoveredRuled
Los Angeles14:53 → 12:3418:07104 min18:060 min25 Oct
Chicago16:53 → 14:3417:54107 min17:530 min25 Oct
Jersey City17:53 → 15:3418:02106 min18:000 min25 Oct
Port of Spain17:53 → 15:3417:4489 min17:440 min25 Oct
London22:53 → 20:3417:470 min17:45112 min26 Oct
Durban23:53 → 21:3418:120 min18:1387 min26 Oct
Dubai01:53 → 23:3417:430 min17:43101 min26 Oct
Delhi03:23 → 01:0417:420 min17:41102 min26 Oct
Kolkata03:23 → 01:0417:040 min17:03101 min26 Oct
Singapore05:53 → 03:3418:510 min18:5195 min26 Oct
Sydney08:53 → 06:3419:160 min19:1786 min26 Oct
Suva09:53 → 07:3418:100 min18:1091 min26 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