Ruling · Dāmodara Dvādaśī · 1932

Saturday 13 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 349 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 12 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Saturday 13 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 20:18 on Fri 12 Aug to 18:35 on Sat 13 Aug.

    1932-08-12T12:17:44Z → 1932-08-13T10:35:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 12th, 11:59–12:47 on the 13th.

    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 12th and 48 of 48 on the 13th.

    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 20921 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1932: Saturday 13 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1932 falls on Saturday 13 August. Dvādaśī runs from 20:18 on Fri 12 Aug to 18:35 on Sat 13 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1932/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 13 Aug
compat-drikpanchangComparison profileSat 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles04:18 → 02:3511:3448 min11:330 min12 Aug
Chicago07:18 → 05:3512:3148 min12:310 min12 Aug
Jersey City08:18 → 06:3512:3748 min12:370 min12 Aug
Port of Spain08:18 → 06:3511:4748 min11:470 min12 Aug
London13:18 → 11:3512:4111 min12:410 min12 Aug
Durban14:18 → 12:3511:370 min11:3748 min13 Aug
Dubai16:18 → 14:3512:000 min11:5948 min13 Aug
Delhi17:48 → 16:0512:020 min12:0248 min13 Aug
Kolkata17:48 → 16:0511:170 min11:1748 min13 Aug
Singapore19:18 → 17:3511:460 min11:4548 min13 Aug
Sydney22:18 → 20:3511:360 min11:3648 min13 Aug
Suva00:18 → 22:3511:470 min11:4748 min13 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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