Ruling · Bhīṣma Dvādaśī · 1968

Sunday 11 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 162 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 Saturday 10 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

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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 15:39 on Sat 10 Feb to 16:24 on Sun 11 Feb.

    1968-02-10T07:39:02Z → 1968-02-11T08:23:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 10th, 12:09–12:57 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 9741 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 1968: Sunday 11 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 1968 falls on Sunday 11 February. Dvādaśī runs from 15:39 on Sat 10 Feb to 16:24 on Sun 11 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1968/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 Angeles23:39 → 00:2411:4348 min11:440 min10 Feb
Chicago01:39 → 02:2411:4148 min11:410 min10 Feb
Jersey City02:39 → 03:2411:4748 min11:470 min10 Feb
Port of Spain03:39 → 04:2411:5648 min11:560 min10 Feb
London07:39 → 08:2411:5148 min11:510 min10 Feb
Durban09:39 → 10:2411:4648 min11:460 min10 Feb
Dubai11:39 → 12:2412:0948 min12:0915 min10 Feb
Delhi13:09 → 13:5412:120 min12:1248 min11 Feb
Kolkata13:09 → 13:5411:270 min11:2748 min11 Feb
Singapore15:09 → 15:5412:250 min12:2548 min11 Feb
Sydney17:39 → 18:2411:450 min11:4548 min11 Feb
Suva19:39 → 20:2411:560 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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