Ruling · Dāmodara Dvādaśī · 2028

Tuesday 1 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 5 min 33 s.

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 1 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
Dvādaśī begins 11:21:42
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Wednesday 2 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
Dvādaśī ends 11:54:35
11:1211:3612:0012:2412:4813:1213:36

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 11:22 on Tue 1 Aug to 11:55 on Wed 2 Aug.

    2028-08-01T03:21:43Z → 2028-08-02T03:54:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 1st, 12:00–12:48 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 333 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2028: Tuesday 1 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2028 falls on Tuesday 1 August. Dvādaśī runs from 11:22 on Tue 1 Aug to 11:55 on Wed 2 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2028/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 1 Aug
compat-drikpanchangComparison profileTue 1 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles20:22 → 20:5512:3548 min12:350 min1 Aug
Chicago22:22 → 22:5512:3348 min12:330 min1 Aug
Jersey City23:22 → 23:5512:3848 min12:380 min1 Aug
Port of Spain23:22 → 23:5511:4848 min11:480 min1 Aug
London04:22 → 04:5512:4248 min12:420 min1 Aug
Durban05:22 → 05:5511:3848 min11:380 min1 Aug
Dubai07:22 → 07:5512:0148 min12:010 min1 Aug
Delhi08:52 → 09:2512:0348 min12:030 min1 Aug
Kolkata08:52 → 09:2511:1948 min11:190 min1 Aug
Singapore11:22 → 11:5512:4748 min12:470 min1 Aug
Sydney13:22 → 13:5511:380 min11:3848 min2 Aug
Suva15:22 → 15:5511:490 min11:4948 min2 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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