Ruling · Dāmodara Dvādaśī · 2086

Wednesday 21 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 33 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 Wednesday 21 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
Dvādaśī begins 11:24:47
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Midday of Thursday 22 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 11:25 on Wed 21 Aug to 09:53 on Thu 22 Aug.

    2086-08-21T03:24:48Z → 2086-08-22T01:52:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 21st, 11:57–12:45 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

    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 1951 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2086: Wednesday 21 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2086 falls on Wednesday 21 August. Dvādaśī runs from 11:25 on Wed 21 Aug to 09:53 on Thu 22 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2086/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 21 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 21 Aug
compat-drikpanchangComparison profileWed 21 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles20:25 → 18:5312:3248 min12:320 min21 Aug
Chicago22:25 → 20:5312:3048 min12:290 min21 Aug
Jersey City23:25 → 21:5312:3548 min12:350 min21 Aug
Port of Spain23:25 → 21:5311:4548 min11:450 min21 Aug
London04:25 → 02:5312:3948 min12:390 min21 Aug
Durban05:25 → 03:5311:3648 min11:350 min21 Aug
Dubai07:25 → 05:5311:5848 min11:580 min21 Aug
Delhi08:55 → 07:2312:0048 min12:000 min21 Aug
Kolkata08:55 → 07:2311:1648 min11:160 min21 Aug
Singapore11:25 → 09:5312:4448 min12:440 min21 Aug
Sydney13:25 → 11:5311:350 min11:3518 min22 Aug
Suva15:25 → 13:5311:460 min11:4648 min22 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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