Ruling · Bhīṣma Dvādaśī · 1992

Saturday 15 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 378 minutes.

Decide it for

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 Saturday 15 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 Sunday 16 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 05:51 on Sat 15 Feb to 02:47 on Sun 16 Feb.

    1992-02-14T21:50:34Z → 1992-02-15T18:46:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 15th, 12:09–12:57 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 22683 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1992: Saturday 15 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1992 falls on Saturday 15 February. Dvādaśī runs from 05:51 on Sat 15 Feb to 02:47 on Sun 16 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1992/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 15 Feb
Ahargaṇa, classicalDisc centre, no refractionSat 15 Feb
compat-drikpanchangComparison profileSat 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles13:51 → 10:4711:430 min11:430 min15 Feb
Chicago15:51 → 12:4711:410 min11:4148 min15 Feb
Jersey City16:51 → 13:4711:470 min11:4748 min15 Feb
Port of Spain17:51 → 14:4711:560 min11:5648 min15 Feb
London21:51 → 18:4711:510 min11:5148 min15 Feb
Durban23:51 → 20:4711:460 min11:4648 min15 Feb
Dubai01:51 → 22:4712:090 min12:0948 min15 Feb
Delhi03:21 → 00:1712:110 min12:1148 min15 Feb
Kolkata03:21 → 00:1711:270 min11:2748 min15 Feb
Singapore05:51 → 02:4712:550 min12:5548 min15 Feb
Sydney08:51 → 05:4712:450 min12:4548 min15 Feb
Suva09:51 → 06:4711:560 min11:5648 min15 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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