Ruling · Bhīṣma Dvādaśī · 2083

Saturday 30 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 599 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 30 January

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

Midday of Sunday 31 January

Dvādaśī is absent from madhyāhna. Not taken.

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 00:53 on Sat 30 Jan to 02:09 on Sun 31 Jan.

    2083-01-29T16:53:14Z → 2083-01-30T18:09:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 30th, 12:08–12:56 on the 31st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.

    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 35923 s

  5. 05

    Ruling

    Bhīṣma Dvādaśī, Baoding, 2083: Saturday 30 January.

    confidence: determinate

Say it like this

In Baoding, Bhīṣma Dvādaśī 2083 falls on Saturday 30 January. Dvādaśī runs from 00:53 on Sat 30 Jan to 02:09 on Sun 31 Jan and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2083/bhishma-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 30 Jan
Ahargaṇa, classicalDisc centre, no refractionSat 30 Jan
compat-drikpanchangComparison profileSat 30 Jan
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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles08:53 → 10:0911:4248 min11:430 min29 Jan
Chicago10:53 → 12:0911:4048 min11:4029 min29 Jan
Jersey City11:53 → 13:0911:4641 min11:4648 min29 Jan
Port of Spain12:53 → 14:0911:550 min11:5648 min30 Jan
London16:53 → 18:0911:500 min11:5048 min30 Jan
Durban18:53 → 20:0911:450 min11:4548 min30 Jan
Dubai20:53 → 22:0912:080 min12:0848 min30 Jan
Delhi22:23 → 23:3912:100 min12:1148 min30 Jan
Kolkata22:23 → 23:3911:260 min11:2648 min30 Jan
Singapore00:53 → 02:0912:540 min12:5448 min30 Jan
Sydney03:53 → 05:0912:440 min12:4448 min30 Jan
Suva04:53 → 06:0911:550 min11:5648 min30 Jan
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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