Ruling · Govatsa Dvādaśī (Vasu Baras) · 2049

Saturday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 158 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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

Dvādaśī is absent from pradoṣa. Not taken.

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

0 of 105 minutes covered

Evening of Saturday 23 October

Taken. The only evening Dvādaśī reaches.

17:28 sunsetpradoṣa ends 19:14
17:0417:2817:5218:1618:4019:0419:28

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 21:53 on Fri 22 Oct to 23:18 on Sat 23 Oct.

    2049-10-22T13:52:56Z → 2049-10-23T15:18:29Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:30–19:15 on the 22nd, 17:28–19:14 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 0 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

    Only one evening qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 9499 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2049: Saturday 23 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2049 falls on Saturday 23 October. Dvādaśī runs from 21:53 on Fri 22 Oct to 23:18 on Sat 23 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2049/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 23 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 23 Oct
compat-drikpanchangComparison profileSat 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 22ndCoveredSunset 23rdCoveredRuled
Los Angeles06:53 → 08:1818:10103 min18:090 min22 Oct
Chicago08:53 → 10:1817:57106 min17:560 min22 Oct
Jersey City09:53 → 11:1818:05106 min18:030 min22 Oct
Port of Spain09:53 → 11:1817:4597 min17:450 min22 Oct
London14:53 → 16:1817:52110 min17:500 min22 Oct
Durban15:53 → 17:1818:1188 min18:110 min22 Oct
Dubai17:53 → 19:1817:4593 min17:4494 min22 Oct
Delhi19:23 → 20:4817:443 min17:43102 min22 Oct
Kolkata19:23 → 20:4817:050 min17:05100 min23 Oct
Singapore21:53 → 23:1818:510 min18:5195 min23 Oct
Sydney00:53 → 02:1819:140 min19:1586 min23 Oct
Suva01:53 → 03:1818:090 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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