Ruling · Dāmodara Dvādaśī · 2067

Monday 22 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 13 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 Sunday 21 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

Midday of Monday 22 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
Dvādaśī ends 12:09:54
11:0911:3311:5712:2112:4513:0913:33

13 of 48 minutes covered, the first 13

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 15:15 on Sun 21 Aug to 12:10 on Mon 22 Aug.

    2067-08-21T07:15:29Z → 2067-08-22T04:09:55Z

  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 0 of 48 minutes on the 21st and 13 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 775 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2067: Monday 22 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2067 falls on Monday 22 August. Dvādaśī runs from 15:15 on Sun 21 Aug to 12:10 on Mon 22 Aug and covers 13 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2067/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 22 Aug
compat-drikpanchangComparison profileMon 22 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 Angeles00:15 → 21:1012:3248 min12:320 min21 Aug
Chicago02:15 → 23:1012:3048 min12:290 min21 Aug
Jersey City03:15 → 00:1012:3548 min12:350 min21 Aug
Port of Spain03:15 → 00:1011:4548 min11:450 min21 Aug
London08:15 → 05:1012:3948 min12:390 min21 Aug
Durban09:15 → 06:1011:3548 min11:350 min21 Aug
Dubai11:15 → 08:1011:5848 min11:580 min21 Aug
Delhi12:45 → 09:4012:003 min12:000 min21 Aug
Kolkata12:45 → 09:4011:160 min11:160 min22 Aug
Singapore15:15 → 12:1012:440 min12:440 min22 Aug
Sydney17:15 → 14:1011:350 min11:3548 min22 Aug
Suva19:15 → 16:1011:460 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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