Ruling · Govatsa Dvādaśī (Vasu Baras) · 2000

Tuesday 24 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 14 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 Monday 23 October

Dvādaśī is absent from pradoṣa. Not taken.

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

0 of 105 minutes covered

Evening of Tuesday 24 October

Taken. The only evening Dvādaśī reaches.

17:27 sunsetpradoṣa ends 19:13
Dvādaśī ends 19:26:53
17:0317:2717:5118:1518:3919:0319:27

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 21:10 on Mon 23 Oct to 19:27 on Tue 24 Oct.

    2000-10-23T13:10:27Z → 2000-10-24T11:26:54Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:29–19:14 on the 23rd, 17:27–19:13 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 0 of 105 minutes on the 23rd and 105 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 852 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2000: Tuesday 24 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2000 falls on Tuesday 24 October. Dvādaśī runs from 21:10 on Mon 23 Oct to 19:27 on Tue 24 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2000/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 24 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 24 Oct
compat-drikpanchangComparison profileTue 24 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 Angeles06:10 → 04:2718:09104 min18:080 min23 Oct
Chicago08:10 → 06:2717:56106 min17:550 min23 Oct
Jersey City09:10 → 07:2718:04106 min18:020 min23 Oct
Port of Spain09:10 → 07:2717:4598 min17:440 min23 Oct
London14:10 → 12:2717:50111 min17:480 min23 Oct
Durban15:10 → 13:2718:1188 min18:120 min23 Oct
Dubai17:10 → 15:2717:44101 min17:440 min23 Oct
Delhi18:40 → 16:5717:4345 min17:420 min23 Oct
Kolkata18:40 → 16:5717:055 min17:040 min23 Oct
Singapore21:10 → 19:2718:510 min18:5136 min24 Oct
Sydney00:10 → 22:2719:150 min19:1686 min24 Oct
Suva01:10 → 23:2718:090 min18:1091 min24 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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