Ruling · Govatsa Dvādaśī (Vasu Baras) · 1943

Monday 25 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 549 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 Monday 25 October

Taken. The only evening Dvādaśī reaches.

18:28 sunsetpradoṣa ends 20:13
18:0418:2818:5219:1619:4020:0420:28

105 of 105 minutes covered

Evening of Tuesday 26 October

Dvādaśī is absent from pradoṣa. Not taken.

18:26 sunsetpradoṣa ends 20:12
18:0218:2618:5019:1419:3820:0220:26

0 of 106 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 07:31 on Mon 25 Oct to 09:17 on Tue 26 Oct.

    1943-10-24T22:31:04Z → 1943-10-26T00:17:20Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:28–20:13 on the 25th, 18:26–20:12 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 105 of 105 minutes on the 25th and 0 of 106 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 32936 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1943: Monday 25 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1943 falls on Monday 25 October. Dvādaśī runs from 07:31 on Mon 25 Oct to 09:17 on Tue 26 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1943/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 25 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 25 Oct
compat-drikpanchangComparison profileMon 25 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 24thCoveredSunset 26thCoveredRuled
Los Angeles15:31 → 17:1718:09104 min18:070 min24 Oct
Chicago17:31 → 19:1717:56106 min17:540 min24 Oct
Jersey City18:31 → 20:1718:0479 min18:010 min24 Oct
Port of Spain19:31 → 21:1718:4551 min18:440 min24 Oct
London23:31 → 01:1717:500 min17:460 min25 Oct
Durban01:31 → 03:1719:110 min19:120 min25 Oct
Dubai02:31 → 04:1717:450 min17:430 min25 Oct
Delhi05:01 → 06:4718:430 min18:420 min25 Oct
Kolkata05:01 → 06:4718:050 min18:030 min25 Oct
Singapore07:31 → 09:1719:510 min19:510 min25 Oct
Sydney09:31 → 11:1719:150 min19:170 min25 Oct
Suva10:31 → 12:1718:090 min18:100 min25 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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