Ruling · Dāmodara Dvādaśī · 1931

Monday 24 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 320 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 Monday 24 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

48 of 48 minutes covered

Midday of Tuesday 25 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

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 05:58 on Mon 24 Aug to 06:36 on Tue 25 Aug.

    1931-08-23T21:57:31Z → 1931-08-24T22:36:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 24th, 11:56–12:44 on the 25th.

    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 24th and 0 of 48 on the 25th.

    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 19185 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1931: Monday 24 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1931 falls on Monday 24 August. Dvādaśī runs from 05:58 on Mon 24 Aug to 06:36 on Tue 25 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1931/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 24 Aug
compat-drikpanchangComparison profileMon 24 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles13:58 → 14:3611:310 min11:3148 min24 Aug
Chicago16:58 → 17:3612:290 min12:2948 min24 Aug
Jersey City17:58 → 18:3612:350 min12:3448 min24 Aug
Port of Spain17:58 → 18:3611:450 min11:4448 min24 Aug
London22:58 → 23:3612:390 min12:3848 min24 Aug
Durban23:58 → 00:3611:350 min11:3548 min24 Aug
Dubai01:58 → 02:3611:570 min11:5748 min24 Aug
Delhi03:28 → 04:0612:000 min11:5948 min24 Aug
Kolkata03:28 → 04:0611:150 min11:1548 min24 Aug
Singapore04:58 → 05:3611:430 min11:4348 min24 Aug
Sydney07:58 → 08:3611:340 min11:3448 min24 Aug
Suva09:58 → 10:3611:450 min11:4548 min24 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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