Ruling · Govatsa Dvādaśī (Vasu Baras) · 1946

Monday 21 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 612 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 Sunday 20 October

Dvādaśī is absent from pradoṣa. Not taken.

17:34 sunsetpradoṣa ends 19:18
17:1017:3417:5818:2218:4619:1019:34

0 of 104 minutes covered

Evening of Monday 21 October

Taken. The only evening Dvādaśī reaches.

17:33 sunsetpradoṣa ends 19:17
17:0917:3317:5718:2118:4519:0919:33

104 of 104 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 05:40 on Mon 21 Oct to 05:28 on Tue 22 Oct.

    1946-10-20T21:40:11Z → 1946-10-21T21:28:13Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:34–19:18 on the 20th, 17:33–19:17 on the 21st.

    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 104 minutes on the 20th and 104 of 104 on the 21st.

    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 36691 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1946: Monday 21 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1946 falls on Monday 21 October. Dvādaśī runs from 05:40 on Mon 21 Oct to 05:28 on Tue 22 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1946/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 21 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 21 Oct
compat-drikpanchangComparison profileMon 21 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 20thCoveredSunset 21stCoveredRuled
Los Angeles13:40 → 13:2817:13103 min17:120 min20 Oct
Chicago15:40 → 15:2817:02105 min17:000 min20 Oct
Jersey City16:40 → 16:2817:09105 min17:080 min20 Oct
Port of Spain17:40 → 17:2817:4697 min17:460 min20 Oct
London21:40 → 21:2816:580 min16:56109 min21 Oct
Durban23:40 → 23:2818:080 min18:0988 min21 Oct
Dubai01:40 → 01:2817:480 min17:47100 min21 Oct
Delhi03:10 → 02:5817:470 min17:46101 min21 Oct
Kolkata03:10 → 02:5817:080 min17:07100 min21 Oct
Singapore05:10 → 04:5818:220 min18:2295 min21 Oct
Sydney07:40 → 07:2818:120 min18:1287 min21 Oct
Suva09:40 → 09:2818:080 min18:0891 min21 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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