Ruling · Bhīṣma Dvādaśī · 1978

Sunday 19 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 431 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 19 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 20 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 02:41 on Sun 19 Feb to 04:57 on Mon 20 Feb.

    1978-02-18T18:41:01Z → 1978-02-19T20:56:51Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 19th, 12:08–12:56 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 25883 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1978: Sunday 19 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1978 falls on Sunday 19 February. Dvādaśī runs from 02:41 on Sun 19 Feb to 04:57 on Mon 20 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1978/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 19 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 19 Feb
compat-drikpanchangComparison profileSun 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles10:41 → 12:5711:4348 min11:4348 min18 Feb
Chicago12:41 → 14:5711:410 min11:4148 min19 Feb
Jersey City13:41 → 15:5711:470 min11:4648 min19 Feb
Port of Spain14:41 → 16:5711:560 min11:5648 min19 Feb
London18:41 → 20:5711:510 min11:5148 min19 Feb
Durban20:41 → 22:5711:460 min11:4648 min19 Feb
Dubai22:41 → 00:5712:090 min12:0948 min19 Feb
Delhi00:11 → 02:2712:110 min12:1148 min19 Feb
Kolkata00:11 → 02:2711:270 min11:2748 min19 Feb
Singapore02:11 → 04:2712:250 min12:2548 min19 Feb
Sydney05:41 → 07:5712:450 min12:4548 min19 Feb
Suva06:41 → 08:5711:560 min11:5648 min19 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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