Ruling · Bhīṣma Dvādaśī · 1942

Wednesday 28 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 27 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 Wednesday 28 January

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 12:07  12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43

48 of 48 minutes covered

Midday of Thursday 29 January

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 12:07  12:55 madhyāhna ends
Dvādaśī ends 13:22:41
11:1911:4312:0712:3112:5513:1913:43

48 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 11:14 on Wed 28 Jan to 13:23 on Thu 29 Jan.

    1942-01-28T03:14:15Z → 1942-01-29T05:22:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 28th, 12:07–12:55 on the 29th.

    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 28th and 48 of 48 on the 29th.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1633 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1942: Wednesday 28 January.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1942 falls on Wednesday 28 January. Dvādaśī runs from 11:14 on Wed 28 Jan to 13:23 on Thu 29 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1942/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 28 Jan
Ahargaṇa, classicalDisc centre, no refractionWed 28 Jan
compat-drikpanchangComparison profileWed 28 Jan
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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles19:14 → 21:2311:4248 min11:420 min28 Jan
Chicago21:14 → 23:2311:4048 min11:400 min28 Jan
Jersey City22:14 → 00:2311:4648 min11:460 min28 Jan
Port of Spain23:14 → 01:2311:5548 min11:550 min28 Jan
London04:14 → 06:2312:5048 min12:500 min28 Jan
Durban05:14 → 07:2311:4548 min11:450 min28 Jan
Dubai07:14 → 09:2312:0848 min12:080 min28 Jan
Delhi09:44 → 11:5313:1048 min13:100 min28 Jan
Kolkata09:44 → 11:5312:2648 min12:260 min28 Jan
Singapore10:44 → 12:5312:2448 min12:2429 min28 Jan
Sydney14:14 → 16:2312:440 min12:4448 min29 Jan
Suva15:14 → 17:2311:550 min11:5548 min29 Jan
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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