Ruling · Dāmodara Dvādaśī · 2042

Thursday 28 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 308 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 Wednesday 27 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

0 of 48 minutes covered

Midday of Thursday 28 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 19:17 on Wed 27 Aug to 17:52 on Thu 28 Aug.

    2042-08-27T11:16:48Z → 2042-08-28T09:51:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 27th, 11:55–12:43 on the 28th.

    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 27th and 48 of 48 on the 28th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 18503 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2042: Thursday 28 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2042 falls on Thursday 28 August. Dvādaśī runs from 19:17 on Wed 27 Aug to 17:52 on Thu 28 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2042/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 28 Aug
compat-drikpanchangComparison profileThu 28 Aug
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/damodara-dvadashi · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles04:17 → 02:5212:3048 min12:300 min27 Aug
Chicago06:17 → 04:5212:2848 min12:270 min27 Aug
Jersey City07:17 → 05:5212:3348 min12:330 min27 Aug
Port of Spain07:17 → 05:5211:4448 min11:430 min27 Aug
London12:17 → 10:5212:3848 min12:370 min27 Aug
Durban13:17 → 11:5211:340 min11:3318 min28 Aug
Dubai15:17 → 13:5211:560 min11:5648 min28 Aug
Delhi16:47 → 15:2211:580 min11:5848 min28 Aug
Kolkata16:47 → 15:2211:140 min11:1448 min28 Aug
Singapore19:17 → 17:5212:420 min12:4248 min28 Aug
Sydney21:17 → 19:5211:330 min11:3348 min28 Aug
Suva23:17 → 21:5211:440 min11:4448 min28 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
damodara-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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