Ruling · Bhīṣma Dvādaśī · 1952

Thursday 7 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 555 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 6 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 Thursday 7 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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 22:12 on Wed 6 Feb to 00:47 on Fri 8 Feb.

    1952-02-06T14:11:48Z → 1952-02-07T16:46:37Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 6th, 12:09–12:57 on the 7th.

    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 6th and 48 of 48 on the 7th.

    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 33319 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1952: Thursday 7 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1952 falls on Thursday 7 February. Dvādaśī runs from 22:12 on Wed 6 Feb to 00:47 on Fri 8 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1952/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Feb
Ahargaṇa, classicalDisc centre, no refractionThu 7 Feb
compat-drikpanchangComparison profileThu 7 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles06:12 → 08:4711:4348 min11:430 min6 Feb
Chicago08:12 → 10:4711:4148 min11:410 min6 Feb
Jersey City09:12 → 11:4711:4748 min11:470 min6 Feb
Port of Spain10:12 → 12:4711:5648 min11:5648 min6 Feb
London14:12 → 16:4711:510 min11:5148 min7 Feb
Durban16:12 → 18:4711:460 min11:4648 min7 Feb
Dubai18:12 → 20:4712:090 min12:0948 min7 Feb
Delhi19:42 → 22:1712:110 min12:1148 min7 Feb
Kolkata19:42 → 22:1711:270 min11:2748 min7 Feb
Singapore21:42 → 00:1712:250 min12:2548 min7 Feb
Sydney00:12 → 02:4711:450 min11:4548 min7 Feb
Suva02:12 → 04:4711:560 min11:5648 min7 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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