Ruling · Govatsa Dvādaśī (Vasu Baras) · 1916

Monday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 575 minutes.

Decide it for

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 22 October

Dvādaśī is absent from pradoṣa. Not taken.

17:31 sunsetpradoṣa ends 19:15
17:0717:3117:5518:1918:4319:0719:31

0 of 105 minutes covered

Evening of Monday 23 October

Taken. The only evening Dvādaśī reaches.

17:29 sunsetpradoṣa ends 19:14
17:0517:2917:5318:1718:4119:0519:29

105 of 105 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 04:51 on Mon 23 Oct to 05:48 on Tue 24 Oct.

    1916-10-22T20:50:34Z → 1916-10-23T21:47:33Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:31–19:15 on the 22nd, 17:29–19:14 on the 23rd.

    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 105 minutes on the 22nd and 105 of 105 on the 23rd.

    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 34511 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1916: Monday 23 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1916 falls on Monday 23 October. Dvādaśī runs from 04:51 on Mon 23 Oct to 05:48 on Tue 24 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1916/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 23 Oct
compat-drikpanchangComparison profileMon 23 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 22ndCoveredSunset 23rdCoveredRuled
Los Angeles12:51 → 13:4817:10103 min17:090 min22 Oct
Chicago14:51 → 15:4816:59106 min16:570 min22 Oct
Jersey City15:51 → 16:4817:06105 min17:040 min22 Oct
Port of Spain16:51 → 17:4817:4597 min17:453 min22 Oct
London20:51 → 21:4816:530 min16:51110 min23 Oct
Durban22:51 → 23:4818:100 min18:1188 min23 Oct
Dubai00:32 → 01:2917:270 min17:26101 min23 Oct
Delhi02:21 → 03:1817:450 min17:44102 min23 Oct
Kolkata02:21 → 03:1817:060 min17:05100 min23 Oct
Singapore03:51 → 04:4817:510 min17:5195 min23 Oct
Sydney06:51 → 07:4818:140 min18:1487 min23 Oct
Suva08:51 → 09:4818:090 min18:0991 min23 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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