Ruling · Bhīṣma Dvādaśī · 2071

Wednesday 11 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 104 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 11 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 Thursday 12 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 10:24 on Wed 11 Feb to 07:14 on Thu 12 Feb.

    2071-02-11T02:24:14Z → 2071-02-11T23:14:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 11th, 12:09–12:57 on the 12th.

    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 11th and 0 of 48 on the 12th.

    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 6265 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2071: Wednesday 11 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2071 falls on Wednesday 11 February. Dvādaśī runs from 10:24 on Wed 11 Feb to 07:14 on Thu 12 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2071/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 11 Feb
Ahargaṇa, classicalDisc centre, no refractionWed 11 Feb
compat-drikpanchangComparison profileWed 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles18:24 → 15:1411:4348 min11:430 min11 Feb
Chicago20:24 → 17:1411:4148 min11:410 min11 Feb
Jersey City21:24 → 18:1411:4748 min11:470 min11 Feb
Port of Spain22:24 → 19:1411:5648 min11:560 min11 Feb
London02:24 → 23:1411:5148 min11:510 min11 Feb
Durban04:24 → 01:1411:4648 min11:460 min11 Feb
Dubai06:24 → 03:1412:0948 min12:090 min11 Feb
Delhi07:54 → 04:4412:1148 min12:110 min11 Feb
Kolkata07:54 → 04:4411:2748 min11:270 min11 Feb
Singapore10:24 → 07:1412:5548 min12:550 min11 Feb
Sydney13:24 → 10:1412:459 min12:450 min11 Feb
Suva14:24 → 11:1411:560 min11:560 min12 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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