Ruling · Govatsa Dvādaśī (Vasu Baras) · 2030

Wednesday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 279 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 Wednesday 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

Evening of Thursday 24 October

Dvādaśī is absent from pradoṣa. Not taken.

17:28 sunsetpradoṣa ends 19:13
17:0417:2817:5218:1618:4019:0419:28

0 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 12:50 on Wed 23 Oct to 11:36 on Thu 24 Oct.

    2030-10-23T04:50:08Z → 2030-10-24T03:36:13Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:29–19:14 on the 23rd, 17:28–19:13 on the 24th.

    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 23rd and 0 of 105 on the 24th.

    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 16728 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2030: Wednesday 23 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2030 falls on Wednesday 23 October. Dvādaśī runs from 12:50 on Wed 23 Oct to 11:36 on Thu 24 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2030/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 23 Oct
compat-drikpanchangComparison profileWed 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 23rdCoveredSunset 24thCoveredRuled
Los Angeles21:50 → 20:3618:09104 min18:080 min23 Oct
Chicago23:50 → 22:3617:57106 min17:550 min23 Oct
Jersey City00:50 → 23:3618:04106 min18:030 min23 Oct
Port of Spain00:50 → 23:3617:4598 min17:440 min23 Oct
London05:50 → 04:3617:50111 min17:480 min23 Oct
Durban06:50 → 05:3618:1188 min18:120 min23 Oct
Dubai08:50 → 07:3617:45101 min17:440 min23 Oct
Delhi10:20 → 09:0617:43102 min17:430 min23 Oct
Kolkata10:20 → 09:0617:05100 min17:040 min23 Oct
Singapore12:50 → 11:3618:5195 min18:510 min23 Oct
Sydney15:50 → 14:3619:1587 min19:160 min23 Oct
Suva16:50 → 15:3618:0991 min18:100 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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