Ruling · Dāmodara Dvādaśī · 1906

Wednesday 1 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 295 minutes.

Decide it for

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 1 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Thursday 2 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 07:05 on Wed 1 Aug to 04:20 on Thu 2 Aug.

    1906-07-31T23:05:21Z → 1906-08-01T20:19:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 1st, 12:00–12:48 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 17683 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1906: Wednesday 1 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1906 falls on Wednesday 1 August. Dvādaśī runs from 07:05 on Wed 1 Aug to 04:20 on Thu 2 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1906/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 1 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 1 Aug
compat-drikpanchangComparison profileWed 1 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles15:05 → 12:2011:350 min11:3545 min1 Aug
Chicago17:05 → 14:2011:320 min11:3248 min1 Aug
Jersey City18:05 → 15:2011:380 min11:3848 min1 Aug
Port of Spain19:05 → 16:2011:480 min11:4848 min1 Aug
London23:05 → 20:2011:420 min11:4248 min1 Aug
Durban01:05 → 22:2011:380 min11:3848 min1 Aug
Dubai02:46 → 00:0111:420 min11:4248 min1 Aug
Delhi04:35 → 01:5012:030 min12:0348 min1 Aug
Kolkata04:35 → 01:5011:190 min11:1948 min1 Aug
Singapore06:05 → 03:2011:470 min11:4748 min1 Aug
Sydney09:05 → 06:2011:380 min11:3848 min1 Aug
Suva11:00 → 08:1511:440 min11:4448 min1 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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