Ruling · Dāmodara Dvādaśī · 2069

Thursday 29 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 602 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 Wednesday 28 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 29 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 23:19 on Wed 28 Aug to 22:45 on Thu 29 Aug.

    2069-08-28T15:19:20Z → 2069-08-29T14:45:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 28th, 11:55–12:43 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 36141 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2069: Thursday 29 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2069 falls on Thursday 29 August. Dvādaśī runs from 23:19 on Wed 28 Aug to 22:45 on Thu 29 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2069/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 29 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 29 Aug
compat-drikpanchangComparison profileThu 29 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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles08:19 → 07:4512:3048 min12:300 min28 Aug
Chicago10:19 → 09:4512:2748 min12:270 min28 Aug
Jersey City11:19 → 10:4512:3348 min12:330 min28 Aug
Port of Spain11:19 → 10:4511:4348 min11:430 min28 Aug
London16:19 → 15:4512:370 min12:3748 min29 Aug
Durban17:19 → 16:4511:330 min11:3348 min29 Aug
Dubai19:19 → 18:4511:560 min11:5648 min29 Aug
Delhi20:49 → 20:1511:580 min11:5848 min29 Aug
Kolkata20:49 → 20:1511:140 min11:1348 min29 Aug
Singapore23:19 → 22:4512:420 min12:4248 min29 Aug
Sydney01:19 → 00:4511:330 min11:3348 min29 Aug
Suva03:19 → 02:4511:440 min11:4448 min29 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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