Ruling · Bhīṣma Dvādaśī · 2075

Monday 28 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 331 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 Monday 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

Midday of Tuesday 29 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 04:03 on Mon 28 Jan to 06:37 on Tue 29 Jan.

    2075-01-27T20:02:40Z → 2075-01-28T22:36:53Z

  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 0 of 48 on the 29th.

    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 19836 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2075: Monday 28 January.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2075 falls on Monday 28 January. Dvādaśī runs from 04:03 on Mon 28 Jan to 06:37 on Tue 29 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2075/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 28 Jan
Ahargaṇa, classicalDisc centre, no refractionMon 28 Jan
compat-drikpanchangComparison profileMon 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 Angeles12:03 → 14:3711:4227 min11:4248 min27 Jan
Chicago14:03 → 16:3711:400 min11:4048 min28 Jan
Jersey City15:03 → 17:3711:450 min11:4648 min28 Jan
Port of Spain16:03 → 18:3711:550 min11:5548 min28 Jan
London20:03 → 22:3711:500 min11:5048 min28 Jan
Durban22:03 → 00:3711:450 min11:4548 min28 Jan
Dubai00:03 → 02:3712:080 min12:0848 min28 Jan
Delhi01:33 → 04:0712:100 min12:1048 min28 Jan
Kolkata01:33 → 04:0711:250 min11:2648 min28 Jan
Singapore04:03 → 06:3712:530 min12:5448 min28 Jan
Sydney07:03 → 09:3712:440 min12:4448 min28 Jan
Suva08:03 → 10:3711:550 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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