Ruling · Bhīṣma Dvādaśī · 1996

Thursday 1 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 82 minutes.

Decide it for

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 31 January

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

0 of 48 minutes covered

Midday of Thursday 1 February

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

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 14:18 on Wed 31 Jan to 16:53 on Thu 1 Feb.

    1996-01-31T06:17:33Z → 1996-02-01T08:52:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 31st, 12:08–12:56 on the 1st.

    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 31st and 48 of 48 on the 1st.

    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 4912 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1996: Thursday 1 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1996 falls on Thursday 1 February. Dvādaśī runs from 14:18 on Wed 31 Jan to 16:53 on Thu 1 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1996/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 1 Feb
compat-drikpanchangComparison profileThu 1 Feb
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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles22:18 → 00:5311:4348 min11:430 min31 Jan
Chicago00:18 → 02:5311:4048 min11:400 min31 Jan
Jersey City01:18 → 03:5311:4648 min11:460 min31 Jan
Port of Spain02:18 → 04:5311:5648 min11:560 min31 Jan
London06:18 → 08:5311:5048 min11:500 min31 Jan
Durban08:18 → 10:5311:4548 min11:450 min31 Jan
Dubai10:18 → 12:5312:0848 min12:0844 min31 Jan
Delhi11:48 → 14:2312:1148 min12:1148 min31 Jan
Kolkata11:48 → 14:2311:2626 min11:2648 min31 Jan
Singapore14:18 → 16:5312:540 min12:5448 min1 Feb
Sydney17:18 → 19:5312:440 min12:4448 min1 Feb
Suva18:18 → 20:5311:550 min11:5648 min1 Feb
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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