Ruling · Bhīṣma Dvādaśī · 2008

Monday 18 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 103 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 17 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 Monday 18 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 16:22 on Sun 17 Feb to 14:40 on Mon 18 Feb.

    2008-02-17T08:22:25Z → 2008-02-18T06:39:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 17th, 12:08–12:56 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 6207 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2008: Monday 18 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2008 falls on Monday 18 February. Dvādaśī runs from 16:22 on Sun 17 Feb to 14:40 on Mon 18 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2008/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 18 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 18 Feb
compat-drikpanchangComparison profileMon 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles00:22 → 22:4011:4348 min11:430 min17 Feb
Chicago02:22 → 00:4011:4148 min11:410 min17 Feb
Jersey City03:22 → 01:4011:4748 min11:470 min17 Feb
Port of Spain04:22 → 02:4011:5648 min11:560 min17 Feb
London08:22 → 06:4011:5148 min11:510 min17 Feb
Durban10:22 → 08:4011:4648 min11:460 min17 Feb
Dubai12:22 → 10:4012:0935 min12:090 min17 Feb
Delhi13:52 → 12:1012:110 min12:110 min18 Feb
Kolkata13:52 → 12:1011:270 min11:2743 min18 Feb
Singapore16:22 → 14:4012:550 min12:5548 min18 Feb
Sydney19:22 → 17:4012:450 min12:4548 min18 Feb
Suva20:22 → 18:4011:560 min11:5648 min18 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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