Ruling · Bhīṣma Dvādaśī · 2019

Sunday 17 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 16 February

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
Dvādaśī begins 13:32:07
11:2111:4512:0912:3312:5713:2113:45

0 of 48 minutes covered

Midday of Sunday 17 February

Taken. Dvādaśī reaches neither midday; the rule takes the second day.

madhyāhna begins 12:08  12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44

0 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 13:32 on Sat 16 Feb to 10:40 on Sun 17 Feb.

    2019-02-16T05:32:08Z → 2019-02-17T02:40:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 16th, 12:08–12:56 on the 17th.

    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 16th and 0 of 48 on the 17th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 2137 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2019: Sunday 17 February.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2019 falls on Sunday 17 February. Dvādaśī runs from 13:32 on Sat 16 Feb to 10:40 on Sun 17 Feb, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2019/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 17 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 17 Feb
compat-drikpanchangComparison profileSat 16 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles21:32 → 18:4011:4348 min11:430 min16 Feb
Chicago23:32 → 20:4011:4148 min11:410 min16 Feb
Jersey City00:32 → 21:4011:4748 min11:470 min16 Feb
Port of Spain01:32 → 22:4011:5648 min11:560 min16 Feb
London05:32 → 02:4011:5148 min11:510 min16 Feb
Durban07:32 → 04:4011:4648 min11:460 min16 Feb
Dubai09:32 → 06:4012:0948 min12:090 min16 Feb
Delhi11:02 → 08:1012:1148 min12:110 min16 Feb
Kolkata11:02 → 08:1011:2748 min11:270 min16 Feb
Singapore13:32 → 10:4012:5511 min12:550 min16 Feb
Sydney16:32 → 13:4012:450 min12:4548 min17 Feb
Suva17:32 → 14:4011:560 min11:5648 min17 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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