Ruling · Dāmodara Dvādaśī · 1938

Sunday 7 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 278 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 Sunday 7 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 8 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 04:50 on Sun 7 Aug to 07:21 on Mon 8 Aug.

    1938-08-06T20:50:17Z → 1938-08-07T23:21:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 7th, 11:59–12:47 on the 8th.

    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 7th and 0 of 48 on the 8th.

    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 16697 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1938: Sunday 7 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1938 falls on Sunday 7 August. Dvādaśī runs from 04:50 on Sun 7 Aug to 07:21 on Mon 8 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1938/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 7 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 7 Aug
compat-drikpanchangComparison profileSun 7 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles12:50 → 15:2111:350 min11:3448 min7 Aug
Chicago15:50 → 18:2112:320 min12:3248 min7 Aug
Jersey City16:50 → 19:2112:380 min12:3848 min7 Aug
Port of Spain16:50 → 19:2111:480 min11:4848 min7 Aug
London21:50 → 00:2112:420 min12:4248 min7 Aug
Durban22:50 → 01:2111:380 min11:3848 min7 Aug
Dubai00:50 → 03:2112:000 min12:0048 min7 Aug
Delhi02:20 → 04:5112:030 min12:0348 min7 Aug
Kolkata02:20 → 04:5111:180 min11:1848 min7 Aug
Singapore04:10 → 06:4112:060 min12:0648 min7 Aug
Sydney06:50 → 09:2111:370 min11:3748 min7 Aug
Suva08:50 → 11:2111:480 min11:4848 min7 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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