Ruling · Akhaṇḍa Dvādaśī · 1981

Tuesday 8 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 295 minutes.

Decide it for

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 Tuesday 8 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

48 of 48 minutes covered

Midday of Wednesday 9 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

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 06:51 on Tue 8 Dec to 03:46 on Wed 9 Dec.

    1981-12-07T22:51:09Z → 1981-12-08T19:46:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 8th, 11:46–12:34 on the 9th.

    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 8th and 0 of 48 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 17682 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1981: Tuesday 8 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1981 falls on Tuesday 8 December. Dvādaśī runs from 06:51 on Tue 8 Dec to 03:46 on Wed 9 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1981/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 8 Dec
compat-drikpanchangComparison profileTue 8 Dec
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/akhanda-dvadashi · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles14:51 → 11:4611:210 min11:2125 min8 Dec
Chicago16:51 → 13:4611:180 min11:1948 min8 Dec
Jersey City17:51 → 14:4611:240 min11:2448 min8 Dec
Port of Spain18:51 → 15:4611:340 min11:3448 min8 Dec
London22:51 → 19:4611:280 min11:2848 min8 Dec
Durban00:51 → 21:4611:230 min11:2448 min8 Dec
Dubai02:51 → 23:4611:460 min11:4748 min8 Dec
Delhi04:21 → 01:1611:480 min11:4948 min8 Dec
Kolkata04:21 → 01:1611:040 min11:0448 min8 Dec
Singapore06:21 → 03:1612:020 min12:0248 min8 Dec
Sydney09:51 → 06:4612:230 min12:2348 min8 Dec
Suva10:51 → 07:4611:340 min11:3448 min8 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
akhanda-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa