Ruling · Bhīṣma Dvādaśī · 2029

Saturday 27 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 385 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 19:44 on Fri 26 Jan to 19:20 on Sat 27 Jan.

    2029-01-26T11:43:40Z → 2029-01-27T11:20:00Z

  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 23096 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2029: Saturday 27 January.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2029 falls on Saturday 27 January. Dvādaśī runs from 19:44 on Fri 26 Jan to 19:20 on Sat 27 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2029/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 Angeles03:44 → 03:2011:4248 min11:420 min26 Jan
Chicago05:44 → 05:2011:3948 min11:400 min26 Jan
Jersey City06:44 → 06:2011:4548 min11:450 min26 Jan
Port of Spain07:44 → 07:2011:5548 min11:550 min26 Jan
London11:44 → 11:2011:4948 min11:500 min26 Jan
Durban13:44 → 13:2011:440 min11:4448 min27 Jan
Dubai15:44 → 15:2012:070 min12:0848 min27 Jan
Delhi17:14 → 16:5012:100 min12:1048 min27 Jan
Kolkata17:14 → 16:5011:250 min11:2548 min27 Jan
Singapore19:44 → 19:2012:530 min12:5348 min27 Jan
Sydney22:44 → 22:2012:430 min12:4448 min27 Jan
Suva23:44 → 23:2011:550 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

About Ahargaṇa