Ruling · Bhīṣma Dvādaśī · 2052

Sunday 11 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 314 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 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 Monday 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 06:55 on Sun 11 Feb to 05:17 on Mon 12 Feb.

    2052-02-10T22:54:50Z → 2052-02-11T21:17:16Z

  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 18827 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2052: Sunday 11 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2052 falls on Sunday 11 February. Dvādaśī runs from 06:55 on Sun 11 Feb to 05:17 on Mon 12 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2052/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 11 Feb
compat-drikpanchangComparison profileSun 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles14:55 → 13:1711:430 min11:4348 min11 Feb
Chicago16:55 → 15:1711:410 min11:4148 min11 Feb
Jersey City17:55 → 16:1711:470 min11:4748 min11 Feb
Port of Spain18:55 → 17:1711:560 min11:5648 min11 Feb
London22:55 → 21:1711:510 min11:5148 min11 Feb
Durban00:55 → 23:1711:460 min11:4648 min11 Feb
Dubai02:55 → 01:1712:090 min12:0948 min11 Feb
Delhi04:25 → 02:4712:110 min12:1148 min11 Feb
Kolkata04:25 → 02:4711:270 min11:2748 min11 Feb
Singapore06:55 → 05:1712:550 min12:5548 min11 Feb
Sydney09:55 → 08:1712:450 min12:4548 min11 Feb
Suva10:55 → 09:1711:560 min11:5648 min11 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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