Ruling · Bhīṣma Dvādaśī · 2023

Thursday 2 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 217 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 1 February

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 2 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 16:33 on Wed 1 Feb to 18:57 on Thu 2 Feb.

    2023-02-01T08:32:33Z → 2023-02-02T10:56:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 1st, 12:08–12:56 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    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 13004 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2023: Thursday 2 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2023 falls on Thursday 2 February. Dvādaśī runs from 16:33 on Wed 1 Feb to 18:57 on Thu 2 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2023/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 2 Feb
compat-drikpanchangComparison profileThu 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles00:33 → 02:5711:4348 min11:430 min1 Feb
Chicago02:33 → 04:5711:4048 min11:410 min1 Feb
Jersey City03:33 → 05:5711:4648 min11:460 min1 Feb
Port of Spain04:33 → 06:5711:5648 min11:560 min1 Feb
London08:33 → 10:5711:5048 min11:500 min1 Feb
Durban10:33 → 12:5711:4548 min11:4548 min1 Feb
Dubai12:33 → 14:5712:0824 min12:0948 min1 Feb
Delhi14:03 → 16:2712:110 min12:1148 min2 Feb
Kolkata14:03 → 16:2711:260 min11:2648 min2 Feb
Singapore16:33 → 18:5712:540 min12:5448 min2 Feb
Sydney19:33 → 21:5712:440 min12:4548 min2 Feb
Suva20:33 → 22:5711:560 min11:5648 min2 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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