Ruling · Dāmodara Dvādaśī · 1954

Wednesday 11 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 500 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 Tuesday 10 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 Wednesday 11 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 21:07 on Tue 10 Aug to 21:37 on Wed 11 Aug.

    1954-08-10T13:06:56Z → 1954-08-11T13:37:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 10th, 11:59–12:47 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 29982 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1954: Wednesday 11 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1954 falls on Wednesday 11 August. Dvādaśī runs from 21:07 on Tue 10 Aug to 21:37 on Wed 11 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1954/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 11 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 11 Aug
compat-drikpanchangComparison profileWed 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles06:07 → 06:3712:3448 min12:340 min10 Aug
Chicago08:07 → 08:3712:3248 min12:310 min10 Aug
Jersey City09:07 → 09:3712:3748 min12:370 min10 Aug
Port of Spain09:07 → 09:3711:4748 min11:470 min10 Aug
London14:07 → 14:3712:410 min12:4148 min11 Aug
Durban15:07 → 15:3711:370 min11:3748 min11 Aug
Dubai17:07 → 17:3712:000 min12:0048 min11 Aug
Delhi18:37 → 19:0712:020 min12:0248 min11 Aug
Kolkata18:37 → 19:0711:180 min11:1848 min11 Aug
Singapore20:37 → 21:0712:160 min12:1648 min11 Aug
Sydney23:07 → 23:3711:370 min11:3748 min11 Aug
Suva01:07 → 01:3711:480 min11:4848 min11 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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