Ruling · Govatsa Dvādaśī (Vasu Baras) · 1929

Tuesday 29 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 110 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 28 October

Dvādaśī is absent from pradoṣa. Not taken.

17:23 sunsetpradoṣa ends 19:10
16:5917:2317:4718:1118:3518:5919:23

0 of 106 minutes covered

Evening of Tuesday 29 October

Taken. The only evening Dvādaśī reaches.

17:22 sunsetpradoṣa ends 19:09
16:5817:2217:4618:1018:3418:5819:22

107 of 107 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 22:08 on Mon 28 Oct to 20:59 on Tue 29 Oct.

    1929-10-28T14:07:56Z → 1929-10-29T12:59:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:23–19:10 on the 28th, 17:22–19:09 on the 29th.

    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 106 minutes on the 28th and 107 of 107 on the 29th.

    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 6628 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1929: Tuesday 29 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1929 falls on Tuesday 29 October. Dvādaśī runs from 22:08 on Mon 28 Oct to 20:59 on Tue 29 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1929/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 29 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 29 Oct
compat-drikpanchangComparison profileTue 29 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 28thCoveredSunset 29thCoveredRuled
Los Angeles06:08 → 04:5917:04105 min17:030 min28 Oct
Chicago08:08 → 06:5916:50108 min16:490 min28 Oct
Jersey City09:08 → 07:5916:58107 min16:570 min28 Oct
Port of Spain10:08 → 08:5917:4398 min17:430 min28 Oct
London14:08 → 12:5916:42113 min16:400 min28 Oct
Durban16:08 → 14:5918:1487 min18:150 min28 Oct
Dubai18:08 → 16:5917:4175 min17:410 min28 Oct
Delhi19:38 → 18:2917:400 min17:3951 min29 Oct
Kolkata19:38 → 18:2917:020 min17:0188 min29 Oct
Singapore21:08 → 19:5917:500 min17:5095 min29 Oct
Sydney00:08 → 22:5918:190 min18:2085 min29 Oct
Suva02:08 → 00:5918:110 min18:1190 min29 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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