Ruling · Govatsa Dvādaśī (Vasu Baras) · 2038

Monday 25 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 203 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 Sunday 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

Evening of Monday 25 October

Taken. The only evening Dvādaśī reaches.

17:26 sunsetpradoṣa ends 19:12
17:0217:2617:5018:1418:3819:0219:26

106 of 106 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 01:15 on Mon 25 Oct to 22:35 on Mon 25 Oct.

    2038-10-24T17:15:12Z → 2038-10-25T14:35:22Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:28–19:13 on the 24th, 17:26–19:12 on the 25th.

    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 24th and 106 of 106 on the 25th.

    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 12205 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 2038: Monday 25 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 2038 falls on Monday 25 October. Dvādaśī runs from 01:15 on Mon 25 Oct to 22:35 on Mon 25 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2038/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 25 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 25 Oct
compat-drikpanchangComparison profileMon 25 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 24thCoveredSunset 25thCoveredRuled
Los Angeles10:15 → 07:3518:08104 min18:070 min24 Oct
Chicago12:15 → 09:3517:55107 min17:540 min24 Oct
Jersey City13:15 → 10:3518:02106 min18:010 min24 Oct
Port of Spain13:15 → 10:3517:4498 min17:440 min24 Oct
London18:15 → 15:3517:4884 min17:460 min24 Oct
Durban19:15 → 16:3518:1224 min18:120 min24 Oct
Dubai21:15 → 18:3517:440 min17:4352 min25 Oct
Delhi22:45 → 20:0517:430 min17:42102 min25 Oct
Kolkata22:45 → 20:0517:040 min17:03101 min25 Oct
Singapore01:15 → 22:3518:510 min18:5195 min25 Oct
Sydney04:15 → 01:3519:160 min19:1686 min25 Oct
Suva05:15 → 02:3518:100 min18:1091 min25 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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