Ruling · Dāmodara Dvādaśī · 1912

Saturday 24 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 350 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 Friday 23 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

Midday of Saturday 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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 18:34 on Fri 23 Aug to 20:55 on Sat 24 Aug.

    1912-08-23T10:34:02Z → 1912-08-24T12:55:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 23rd, 11:56–12:44 on the 24th.

    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 23rd and 48 of 48 on the 24th.

    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 20974 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1912: Saturday 24 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1912 falls on Saturday 24 August. Dvādaśī runs from 18:34 on Fri 23 Aug to 20:55 on Sat 24 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1912/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 24 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 24 Aug
compat-drikpanchangComparison profileSat 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 Angeles02:34 → 04:5511:3148 min11:310 min23 Aug
Chicago04:34 → 06:5511:2948 min11:280 min23 Aug
Jersey City05:34 → 07:5511:3448 min11:340 min23 Aug
Port of Spain06:34 → 08:5511:4548 min11:440 min23 Aug
London10:34 → 12:5511:3948 min11:3848 min23 Aug
Durban12:34 → 14:5511:350 min11:3448 min24 Aug
Dubai14:15 → 16:3611:380 min11:3848 min24 Aug
Delhi16:04 → 18:2511:590 min11:5948 min24 Aug
Kolkata16:04 → 18:2511:150 min11:1548 min24 Aug
Singapore17:34 → 19:5511:430 min11:4348 min24 Aug
Sydney20:34 → 22:5511:340 min11:3448 min24 Aug
Suva22:29 → 00:5011:400 min11:4048 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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