Ruling · Bhīṣma Dvādaśī · 2087

Friday 14 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 509 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 Thursday 13 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 Friday 14 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 22:05 on Thu 13 Feb to 21:26 on Fri 14 Feb.

    2087-02-13T14:05:00Z → 2087-02-14T13:25:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 13th, 12:09–12:57 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 30555 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2087: Friday 14 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2087 falls on Friday 14 February. Dvādaśī runs from 22:05 on Thu 13 Feb to 21:26 on Fri 14 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2087/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 14 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 14 Feb
compat-drikpanchangComparison profileFri 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles06:05 → 05:2611:4348 min11:430 min13 Feb
Chicago08:05 → 07:2611:4148 min11:410 min13 Feb
Jersey City09:05 → 08:2611:4748 min11:470 min13 Feb
Port of Spain10:05 → 09:2611:5648 min11:560 min13 Feb
London14:05 → 13:2611:510 min11:5148 min14 Feb
Durban16:05 → 15:2611:460 min11:4648 min14 Feb
Dubai18:05 → 17:2612:090 min12:0948 min14 Feb
Delhi19:35 → 18:5612:120 min12:1248 min14 Feb
Kolkata19:35 → 18:5611:270 min11:2748 min14 Feb
Singapore22:05 → 21:2612:550 min12:5548 min14 Feb
Sydney01:05 → 00:2612:450 min12:4548 min14 Feb
Suva02:05 → 01:2611:560 min11:5648 min14 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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