Ruling · Bhīṣma Dvādaśī · 1961

Saturday 28 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 227 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 27 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 28 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 16:42 on Fri 27 Jan to 19:00 on Sat 28 Jan.

    1961-01-27T08:42:27Z → 1961-01-28T11:00:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 27th, 12:07–12:55 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 13639 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1961: Saturday 28 January.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1961 falls on Saturday 28 January. Dvādaśī runs from 16:42 on Fri 27 Jan to 19:00 on Sat 28 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1961/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Jan
Ahargaṇa, classicalDisc centre, no refractionSat 28 Jan
compat-drikpanchangComparison profileSat 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles00:42 → 03:0011:4248 min11:420 min27 Jan
Chicago02:42 → 05:0011:4048 min11:400 min27 Jan
Jersey City03:42 → 06:0011:4548 min11:460 min27 Jan
Port of Spain04:42 → 07:0011:5548 min11:550 min27 Jan
London08:42 → 11:0011:5048 min11:500 min27 Jan
Durban10:42 → 13:0011:4548 min11:4548 min27 Jan
Dubai12:42 → 15:0012:0813 min12:0848 min27 Jan
Delhi14:12 → 16:3012:100 min12:1048 min28 Jan
Kolkata14:12 → 16:3011:250 min11:2648 min28 Jan
Singapore16:12 → 18:3012:230 min12:2448 min28 Jan
Sydney18:42 → 21:0011:440 min11:4448 min28 Jan
Suva20:42 → 23:0011:550 min11:5548 min28 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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