Ruling · Bhīṣma Dvādaśī · 2020

Thursday 6 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 598 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 Wednesday 5 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 6 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 00:01 on Thu 6 Feb to 22:54 on Thu 6 Feb.

    2020-02-05T16:01:22Z → 2020-02-06T14:54:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 5th, 12:08–12:56 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 35857 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2020: Thursday 6 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2020 falls on Thursday 6 February. Dvādaśī runs from 00:01 on Thu 6 Feb to 22:54 on Thu 6 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 6 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 6 Feb
compat-drikpanchangComparison profileThu 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles08:01 → 06:5411:4348 min11:430 min5 Feb
Chicago10:01 → 08:5411:4148 min11:410 min5 Feb
Jersey City11:01 → 09:5411:4748 min11:470 min5 Feb
Port of Spain12:01 → 10:5411:5643 min11:560 min5 Feb
London16:01 → 14:5411:510 min11:5148 min6 Feb
Durban18:01 → 16:5411:460 min11:4648 min6 Feb
Dubai20:01 → 18:5412:090 min12:0948 min6 Feb
Delhi21:31 → 20:2412:110 min12:1148 min6 Feb
Kolkata21:31 → 20:2411:270 min11:2748 min6 Feb
Singapore00:01 → 22:5412:550 min12:5548 min6 Feb
Sydney03:01 → 01:5412:450 min12:4548 min6 Feb
Suva04:01 → 02:5411:560 min11:5648 min6 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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