Ruling · Akhaṇḍa Dvādaśī · 2030

Friday 6 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 522 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 Thursday 5 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

0 of 48 minutes covered

Midday of Friday 6 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

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 21:15 on Thu 5 Dec to 23:10 on Fri 6 Dec.

    2030-12-05T13:14:52Z → 2030-12-06T15:10:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 5th, 11:45–12:33 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 31341 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2030: Friday 6 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2030 falls on Friday 6 December. Dvādaśī runs from 21:15 on Thu 5 Dec to 23:10 on Fri 6 Dec and covers all of madhyāhna that midday.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 6 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 6 Dec
compat-drikpanchangComparison profileFri 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles05:15 → 07:1011:2048 min11:200 min5 Dec
Chicago07:15 → 09:1011:1748 min11:180 min5 Dec
Jersey City08:15 → 10:1011:2348 min11:230 min5 Dec
Port of Spain09:15 → 11:1011:3348 min11:330 min5 Dec
London13:15 → 15:1011:270 min11:2748 min6 Dec
Durban15:15 → 17:1011:230 min11:2348 min6 Dec
Dubai17:15 → 19:1011:450 min11:4648 min6 Dec
Delhi18:45 → 20:4011:480 min11:4848 min6 Dec
Kolkata18:45 → 20:4011:030 min11:0348 min6 Dec
Singapore21:15 → 23:1012:310 min12:3148 min6 Dec
Sydney00:15 → 02:1012:220 min12:2248 min6 Dec
Suva01:15 → 03:1011:330 min11:3348 min6 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