Ruling · Bhīṣma Dvādaśī · 1937

Monday 22 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 252 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 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

Midday of Monday 22 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 18:14 on Sun 21 Feb to 17:08 on Mon 22 Feb.

    1937-02-21T10:13:48Z → 1937-02-22T09:07:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 21st, 12:08–12:56 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 15097 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1937: Monday 22 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1937 falls on Monday 22 February. Dvādaśī runs from 18:14 on Sun 21 Feb to 17:08 on Mon 22 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1937/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 22 Feb
compat-drikpanchangComparison profileMon 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles02:14 → 01:0811:4348 min11:430 min21 Feb
Chicago04:14 → 03:0811:4148 min11:410 min21 Feb
Jersey City05:14 → 04:0811:4648 min11:460 min21 Feb
Port of Spain06:14 → 05:0811:5648 min11:560 min21 Feb
London10:14 → 09:0811:5148 min11:510 min21 Feb
Durban12:14 → 11:0811:4520 min11:450 min21 Feb
Dubai14:14 → 13:0812:090 min12:0948 min22 Feb
Delhi15:44 → 14:3812:110 min12:1148 min22 Feb
Kolkata15:44 → 14:3811:270 min11:2648 min22 Feb
Singapore17:34 → 16:2812:140 min12:1448 min22 Feb
Sydney20:14 → 19:0811:450 min11:4548 min22 Feb
Suva22:14 → 21:0811:560 min11:5648 min22 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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