Ruling · Bhīṣma Dvādaśī · 1985

Saturday 2 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 448 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 2 February

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

48 of 48 minutes covered

Midday of Sunday 3 February

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

0 of 48 minutes covered

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 04:40 on Sat 2 Feb to 04:25 on Sun 3 Feb.

    1985-02-01T20:40:16Z → 1985-02-02T20:24:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 2nd, 12:08–12:56 on the 3rd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 26871 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1985: Saturday 2 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1985 falls on Saturday 2 February. Dvādaśī runs from 04:40 on Sat 2 Feb to 04:25 on Sun 3 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1985/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 Feb
Ahargaṇa, classicalDisc centre, no refractionSat 2 Feb
compat-drikpanchangComparison profileSat 2 Feb
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/bhishma-dvadashi · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles12:40 → 12:2511:430 min11:4342 min2 Feb
Chicago14:40 → 14:2511:410 min11:4148 min2 Feb
Jersey City15:40 → 15:2511:460 min11:4648 min2 Feb
Port of Spain16:40 → 16:2511:560 min11:5648 min2 Feb
London20:40 → 20:2511:500 min11:5148 min2 Feb
Durban22:40 → 22:2511:450 min11:4548 min2 Feb
Dubai00:40 → 00:2512:090 min12:0948 min2 Feb
Delhi02:10 → 01:5512:110 min12:1148 min2 Feb
Kolkata02:10 → 01:5511:260 min11:2648 min2 Feb
Singapore04:40 → 04:2512:540 min12:5448 min2 Feb
Sydney07:40 → 07:2512:450 min12:4548 min2 Feb
Suva08:40 → 08:2511:560 min11:5648 min2 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
bhishma-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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