Ruling · Bhīṣma Dvādaśī · 2030

Friday 15 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 143 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 14 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 15 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 15:20 on Thu 14 Feb to 16:09 on Fri 15 Feb.

    2030-02-14T07:19:47Z → 2030-02-15T08:08:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 14th, 12:09–12:57 on the 15th.

    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 14th and 48 of 48 on the 15th.

    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 8594 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2030: Friday 15 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2030 falls on Friday 15 February. Dvādaśī runs from 15:20 on Thu 14 Feb to 16:09 on Fri 15 Feb and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2030/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 15 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 15 Feb
compat-drikpanchangComparison profileFri 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles23:20 → 00:0911:4348 min11:430 min14 Feb
Chicago01:20 → 02:0911:4148 min11:410 min14 Feb
Jersey City02:20 → 03:0911:4748 min11:470 min14 Feb
Port of Spain03:20 → 04:0911:5648 min11:560 min14 Feb
London07:20 → 08:0911:5148 min11:510 min14 Feb
Durban09:20 → 10:0911:4648 min11:460 min14 Feb
Dubai11:20 → 12:0912:0948 min12:090 min14 Feb
Delhi12:50 → 13:3912:1110 min12:1148 min14 Feb
Kolkata12:50 → 13:3911:270 min11:2748 min15 Feb
Singapore15:20 → 16:0912:550 min12:5548 min15 Feb
Sydney18:20 → 19:0912:450 min12:4548 min15 Feb
Suva19:20 → 20:0911:560 min11:5648 min15 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

About Ahargaṇa