Ruling · Dāmodara Dvādaśī · 1989

Monday 14 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 224 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 Sunday 13 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:59  13:47 madhyāhna ends
12:1112:3512:5913:2313:4714:1114:35

0 of 48 minutes covered

Midday of Monday 14 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:59  13:47 madhyāhna ends
12:1112:3512:5913:2313:4714:1114:35

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 18:03 on Sun 13 Aug to 17:31 on Mon 14 Aug.

    1989-08-13T09:03:23Z → 1989-08-14T08:30:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:59–13:47 on the 13th, 12:59–13:47 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 13443 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1989: Monday 14 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1989 falls on Monday 14 August. Dvādaśī runs from 18:03 on Sun 13 Aug to 17:31 on Mon 14 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1989/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 14 Aug
compat-drikpanchangComparison profileMon 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles02:03 → 01:3112:3348 min12:330 min13 Aug
Chicago04:03 → 03:3112:3148 min12:310 min13 Aug
Jersey City05:03 → 04:3112:3748 min12:370 min13 Aug
Port of Spain05:03 → 04:3111:4748 min11:470 min13 Aug
London10:03 → 09:3112:4148 min12:410 min13 Aug
Durban11:03 → 10:3111:3748 min11:370 min13 Aug
Dubai13:03 → 12:3111:590 min11:5931 min14 Aug
Delhi14:33 → 14:0112:020 min12:0248 min14 Aug
Kolkata14:33 → 14:0111:170 min11:1748 min14 Aug
Singapore17:03 → 16:3112:450 min12:4548 min14 Aug
Sydney19:03 → 18:3111:360 min11:3648 min14 Aug
Suva21:03 → 20:3111:470 min11:4748 min14 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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