Ruling · Dāmodara Dvādaśī · 1911

Sunday 6 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 369 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 6 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 Monday 7 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 03:30 on Sun 6 Aug to 05:51 on Mon 7 Aug.

    1911-08-05T19:29:46Z → 1911-08-06T21:51:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 6th, 12:00–12:48 on the 7th.

    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 6th and 0 of 48 on the 7th.

    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 22115 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1911: Sunday 6 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1911 falls on Sunday 6 August. Dvādaśī runs from 03:30 on Sun 6 Aug to 05:51 on Mon 7 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1911/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 6 Aug
compat-drikpanchangComparison profileSun 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles11:30 → 13:5111:3548 min11:3548 min5 Aug
Chicago13:30 → 15:5111:320 min11:3248 min6 Aug
Jersey City14:30 → 16:5111:380 min11:3848 min6 Aug
Port of Spain15:30 → 17:5111:480 min11:4848 min6 Aug
London19:30 → 21:5111:420 min11:4248 min6 Aug
Durban21:30 → 23:5111:380 min11:3848 min6 Aug
Dubai23:11 → 01:3211:420 min11:4148 min6 Aug
Delhi01:00 → 03:2112:030 min12:0348 min6 Aug
Kolkata01:00 → 03:2111:180 min11:1848 min6 Aug
Singapore02:30 → 04:5111:470 min11:4648 min6 Aug
Sydney05:30 → 07:5111:370 min11:3748 min6 Aug
Suva07:25 → 09:4611:430 min11:4348 min6 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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