Ruling · Govatsa Dvādaśī (Vasu Baras) · 2028

Sunday 15 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 145 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 Saturday 14 October

Dvādaśī is absent from pradoṣa. Not taken.

17:41 sunsetpradoṣa ends 19:23
17:1717:4118:0518:2918:5319:1719:41

0 of 102 minutes covered

Evening of Sunday 15 October

Taken. The only evening Dvādaśī reaches.

17:39 sunsetpradoṣa ends 19:22
17:1517:3918:0318:2718:5119:1519:39

103 of 103 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 00:59 on Sun 15 Oct to 21:47 on Sun 15 Oct.

    2028-10-14T16:59:00Z → 2028-10-15T13:47:02Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:41–19:23 on the 14th, 17:39–19:22 on the 15th.

    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 102 minutes on the 14th and 103 of 103 on the 15th.

    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 8707 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2028: Sunday 15 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2028 falls on Sunday 15 October. Dvādaśī runs from 00:59 on Sun 15 Oct to 21:47 on Sun 15 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2028/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 15 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 15 Oct
compat-drikpanchangComparison profileSun 15 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 14thCoveredSunset 15thCoveredRuled
Los Angeles09:59 → 06:4718:19101 min18:180 min14 Oct
Chicago11:59 → 08:4718:09103 min18:080 min14 Oct
Jersey City12:59 → 09:4718:16103 min18:150 min14 Oct
Port of Spain12:59 → 09:4717:4997 min17:480 min14 Oct
London17:59 → 14:4718:08106 min18:060 min14 Oct
Durban18:59 → 15:4718:0536 min18:060 min14 Oct
Dubai20:59 → 17:4717:520 min17:510 min14 Oct
Delhi22:29 → 19:1717:520 min17:5186 min15 Oct
Kolkata22:29 → 19:1717:120 min17:1199 min15 Oct
Singapore00:59 → 21:4718:530 min18:5395 min15 Oct
Sydney03:59 → 00:4719:080 min19:0889 min15 Oct
Suva04:59 → 01:4718:070 min18:0792 min15 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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