Ruling · Bhīṣma Dvādaśī · 2006

Thursday 9 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 371 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 Thursday 9 February

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

48 of 48 minutes covered

Midday of Friday 10 February

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

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 04:19 on Thu 9 Feb to 05:58 on Fri 10 Feb.

    2006-02-08T20:19:00Z → 2006-02-09T21:57:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 9th, 12:09–12:57 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 22250 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2006: Thursday 9 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2006 falls on Thursday 9 February. Dvādaśī runs from 04:19 on Thu 9 Feb to 05:58 on Fri 10 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2006/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 9 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 9 Feb
compat-drikpanchangComparison profileThu 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles12:19 → 13:5811:4312 min11:4348 min8 Feb
Chicago14:19 → 15:5811:410 min11:4148 min9 Feb
Jersey City15:19 → 16:5811:470 min11:4748 min9 Feb
Port of Spain16:19 → 17:5811:560 min11:5648 min9 Feb
London20:19 → 21:5811:510 min11:5148 min9 Feb
Durban22:19 → 23:5811:460 min11:4648 min9 Feb
Dubai00:19 → 01:5812:090 min12:0948 min9 Feb
Delhi01:49 → 03:2812:110 min12:1148 min9 Feb
Kolkata01:49 → 03:2811:270 min11:2748 min9 Feb
Singapore04:19 → 05:5812:550 min12:5548 min9 Feb
Sydney07:19 → 08:5812:450 min12:4548 min9 Feb
Suva08:19 → 09:5811:560 min11:5648 min9 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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