Ruling · Dāmodara Dvādaśī · 1940

Wednesday 14 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 444 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 14 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:58  13:46 madhyāhna ends
12:1012:3412:5813:2213:4614:1014:34

48 of 48 minutes covered

Midday of Thursday 15 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:58  13:46 madhyāhna ends
12:1012:3412:5813:2213:4614:1014:34

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 05:34 on Wed 14 Aug to 05:32 on Thu 15 Aug.

    1940-08-13T20:34:06Z → 1940-08-14T20:31:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:58–13:46 on the 14th, 12:58–13:46 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 26662 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1940: Wednesday 14 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1940 falls on Wednesday 14 August. Dvādaśī runs from 05:34 on Wed 14 Aug to 05:32 on Thu 15 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1940/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 14 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 14 Aug
compat-drikpanchangComparison profileWed 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles12:34 → 12:3211:330 min11:3348 min14 Aug
Chicago15:34 → 15:3212:310 min12:3148 min14 Aug
Jersey City16:34 → 16:3212:370 min12:3748 min14 Aug
Port of Spain16:34 → 16:3211:470 min11:4748 min14 Aug
London21:34 → 21:3212:410 min12:4148 min14 Aug
Durban22:34 → 22:3211:370 min11:3748 min14 Aug
Dubai00:34 → 00:3211:590 min11:5948 min14 Aug
Delhi02:04 → 02:0212:020 min12:0148 min14 Aug
Kolkata02:04 → 02:0211:170 min11:1748 min14 Aug
Singapore03:54 → 03:5212:050 min12:0548 min14 Aug
Sydney06:34 → 06:3211:360 min11:3648 min14 Aug
Suva08:34 → 08:3211:470 min11:4748 min14 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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