Ruling · Govatsa Dvādaśī (Vasu Baras) · 1954

Friday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 11 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 Friday 22 October

Taken. Both evenings qualify; the rule takes the first.

17:31 sunsetpradoṣa ends 19:16
Dvādaśī begins 17:54:22
17:0717:3117:5518:1918:4319:0719:31

81 of 105 minutes covered, the last 81

Evening of Saturday 23 October

Qualifies with 105 of 105 minutes. Not taken.

17:30 sunsetpradoṣa ends 19:15
Dvādaśī ends 19:25:14
17:0617:3017:5418:1818:4219:0619:30

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 17:54 on Fri 22 Oct to 19:25 on Sat 23 Oct.

    1954-10-22T09:54:23Z → 1954-10-23T11:25:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:31–19:16 on the 22nd, 17:30–19:15 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 81 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

    Both evenings qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 641 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1954: Friday 22 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1954 falls on Friday 22 October. Dvādaśī runs from 17:54 on Fri 22 Oct to 19:25 on Sat 23 Oct and covers 81 of 105 minutes of pradoṣa that evening. It also reaches the next evening for 105 minutes; by the rule the first evening is taken.

ahargana.org/baoding/festivals/1954/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 22 Oct
compat-drikpanchangComparison profileFri 22 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 Angeles01:54 → 03:2517:11103 min17:100 min22 Oct
Chicago03:54 → 05:2516:59106 min16:570 min22 Oct
Jersey City04:54 → 06:2517:06105 min17:050 min22 Oct
Port of Spain05:54 → 07:2517:4597 min17:450 min22 Oct
London09:54 → 11:2516:54110 min16:510 min22 Oct
Durban11:54 → 13:2518:1088 min18:110 min22 Oct
Dubai13:54 → 15:2517:46101 min17:450 min22 Oct
Delhi15:24 → 16:5517:45102 min17:440 min22 Oct
Kolkata15:24 → 16:5517:06100 min17:050 min22 Oct
Singapore17:24 → 18:5518:2195 min18:2134 min22 Oct
Sydney19:54 → 21:2518:130 min18:1487 min23 Oct
Suva21:54 → 23:2518:090 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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