Ruling · Bhīṣma Dvādaśī · 2005

Sunday 20 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 329 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 Sunday 20 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

Midday of Monday 21 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 04:07 on Sun 20 Feb to 06:39 on Mon 21 Feb.

    2005-02-19T20:06:46Z → 2005-02-20T22:38:39Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 20th, 12:08–12:56 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 19766 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2005: Sunday 20 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2005 falls on Sunday 20 February. Dvādaśī runs from 04:07 on Sun 20 Feb to 06:39 on Mon 21 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2005/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 20 Feb
compat-drikpanchangComparison profileSun 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles12:07 → 14:3911:4324 min11:4348 min19 Feb
Chicago14:07 → 16:3911:410 min11:4148 min20 Feb
Jersey City15:07 → 17:3911:460 min11:4648 min20 Feb
Port of Spain16:07 → 18:3911:560 min11:5648 min20 Feb
London20:07 → 22:3911:510 min11:5148 min20 Feb
Durban22:07 → 00:3911:450 min11:4548 min20 Feb
Dubai00:07 → 02:3912:090 min12:0948 min20 Feb
Delhi01:37 → 04:0912:110 min12:1148 min20 Feb
Kolkata01:37 → 04:0911:270 min11:2648 min20 Feb
Singapore04:07 → 06:3912:540 min12:5448 min20 Feb
Sydney07:07 → 09:3912:450 min12:4548 min20 Feb
Suva08:07 → 10:3911:560 min11:5648 min20 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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