Ruling · Dāmodara Dvādaśī · 1990

Friday 3 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 310 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 Thursday 2 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 13:00  13:48 madhyāhna ends
12:1212:3613:0013:2413:4814:1214:36

0 of 48 minutes covered

Midday of Friday 3 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 13:00  13:48 madhyāhna ends
12:1212:3613:0013:2413:4814:1214:36

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 18:58 on Thu 2 Aug to 20:48 on Fri 3 Aug.

    1990-08-02T09:58:03Z → 1990-08-03T11:47:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 13:00–13:48 on the 2nd, 13:00–13:48 on the 3rd.

    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 2nd and 48 of 48 on the 3rd.

    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 18593 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1990: Friday 3 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1990 falls on Friday 3 August. Dvādaśī runs from 18:58 on Thu 2 Aug to 20:48 on Fri 3 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1990/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 3 Aug
compat-drikpanchangComparison profileFri 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles02:58 → 04:4812:3548 min12:350 min2 Aug
Chicago04:58 → 06:4812:3348 min12:320 min2 Aug
Jersey City05:58 → 07:4812:3848 min12:380 min2 Aug
Port of Spain05:58 → 07:4811:4848 min11:480 min2 Aug
London10:58 → 12:4812:4248 min12:425 min2 Aug
Durban11:58 → 13:4811:3828 min11:3848 min2 Aug
Dubai13:58 → 15:4812:010 min12:0148 min3 Aug
Delhi15:28 → 17:1812:030 min12:0348 min3 Aug
Kolkata15:28 → 17:1811:190 min11:1948 min3 Aug
Singapore17:58 → 19:4812:470 min12:4748 min3 Aug
Sydney19:58 → 21:4811:380 min11:3848 min3 Aug
Suva21:58 → 23:4811:490 min11:4948 min3 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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