Ruling · Govatsa Dvādaśī (Vasu Baras) · 1968

Friday 18 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 244 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 Friday 18 October

Taken. The only evening Dvādaśī reaches.

17:36 sunsetpradoṣa ends 19:19
17:1217:3618:0018:2418:4819:1219:36

103 of 103 minutes covered

Evening of Saturday 19 October

Dvādaśī is absent from pradoṣa. Not taken.

17:34 sunsetpradoṣa ends 19:18
17:1017:3417:5818:2218:4619:1019:34

0 of 104 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 13:31 on Fri 18 Oct to 12:32 on Sat 19 Oct.

    1968-10-18T05:31:18Z → 1968-10-19T04:31:39Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:36–19:19 on the 18th, 17:34–19:18 on the 19th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 18th and 0 of 104 on the 19th.

    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 14665 s

  5. 05

    Ruling

    Govatsa Dvādaśī, Baoding, 1968: Friday 18 October.

    confidence: determinate

Say it like this

In Baoding, Govatsa Dvādaśī (Vasu Baras) 1968 falls on Friday 18 October. Dvādaśī runs from 13:31 on Fri 18 Oct to 12:32 on Sat 19 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1968/govatsa-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 18 Oct
compat-drikpanchangComparison profileFri 18 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 18thCoveredSunset 19thCoveredRuled
Los Angeles22:31 → 21:3218:15102 min18:130 min18 Oct
Chicago00:31 → 23:3218:04105 min18:020 min18 Oct
Jersey City01:31 → 00:3218:11104 min18:100 min18 Oct
Port of Spain01:31 → 00:3217:4797 min17:460 min18 Oct
London06:31 → 05:3218:01108 min17:580 min18 Oct
Durban07:31 → 06:3218:0789 min18:080 min18 Oct
Dubai09:31 → 08:3217:49100 min17:480 min18 Oct
Delhi11:01 → 10:0217:48101 min17:470 min18 Oct
Kolkata11:01 → 10:0217:0999 min17:080 min18 Oct
Singapore13:01 → 12:0218:2295 min18:220 min18 Oct
Sydney15:31 → 14:3218:1088 min18:110 min18 Oct
Suva17:31 → 16:3218:0892 min18:080 min18 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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