Ruling · Dāmodara Dvādaśī · 1964

Wednesday 19 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 116 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 19 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Midday of Thursday 20 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 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 07:53 on Wed 19 Aug to 10:01 on Thu 20 Aug.

    1964-08-18T23:52:33Z → 1964-08-20T02:00:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 19th, 11:57–12:45 on the 20th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.

    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 6978 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1964: Wednesday 19 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1964 falls on Wednesday 19 August. Dvādaśī runs from 07:53 on Wed 19 Aug to 10:01 on Thu 20 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1964/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 19 Aug
compat-drikpanchangComparison profileWed 19 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 18thCoveredMadhyāhna 20thCoveredRuled
Los Angeles16:53 → 19:0112:320 min12:320 min19 Aug
Chicago18:53 → 21:0112:300 min12:290 min19 Aug
Jersey City19:53 → 22:0112:360 min12:350 min19 Aug
Port of Spain19:53 → 22:0111:460 min11:450 min19 Aug
London00:53 → 03:0112:400 min12:390 min19 Aug
Durban01:53 → 04:0111:360 min11:350 min19 Aug
Dubai03:53 → 06:0111:580 min11:580 min19 Aug
Delhi05:23 → 07:3112:010 min12:000 min19 Aug
Kolkata05:23 → 07:3111:160 min11:160 min19 Aug
Singapore07:23 → 09:3112:140 min12:140 min19 Aug
Sydney09:53 → 12:0111:350 min11:3526 min19 Aug
Suva11:53 → 14:0111:460 min11:4648 min19 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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