Ruling · Bhīṣma Dvādaśī · 1934

Saturday 27 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 84 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 Friday 26 January

Dvādaśī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Saturday 27 January

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:07  12:55 madhyāhna ends
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 14:19 on Fri 26 Jan to 16:55 on Sat 27 Jan.

    1934-01-26T06:18:35Z → 1934-01-27T08:55:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 26th, 12:07–12:55 on the 27th.

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

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.

    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 5023 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1934: Saturday 27 January.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1934 falls on Saturday 27 January. Dvādaśī runs from 14:19 on Fri 26 Jan to 16:55 on Sat 27 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1934/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Jan
Ahargaṇa, classicalDisc centre, no refractionSat 27 Jan
compat-drikpanchangComparison profileSat 27 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles22:19 → 00:5511:4248 min11:420 min26 Jan
Chicago00:19 → 02:5511:3948 min11:400 min26 Jan
Jersey City01:19 → 03:5511:4548 min11:450 min26 Jan
Port of Spain02:19 → 04:5511:5548 min11:550 min26 Jan
London06:19 → 08:5511:4948 min11:500 min26 Jan
Durban08:19 → 10:5511:4448 min11:440 min26 Jan
Dubai10:19 → 12:5512:0748 min12:0848 min26 Jan
Delhi11:49 → 14:2512:1048 min12:1048 min26 Jan
Kolkata11:49 → 14:2511:2525 min11:2548 min26 Jan
Singapore13:39 → 16:1512:130 min12:1348 min27 Jan
Sydney16:19 → 18:5511:430 min11:4448 min27 Jan
Suva18:19 → 20:5511:550 min11:5548 min27 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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