Ruling · Dāmodara Dvādaśī · 1920

Thursday 26 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 146 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 25 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

0 of 48 minutes covered

Midday of Thursday 26 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

48 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 15:10 on Wed 25 Aug to 17:16 on Thu 26 Aug.

    1920-08-25T07:10:01Z → 1920-08-26T09:16:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 25th, 11:56–12:44 on the 26th.

    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 25th and 48 of 48 on the 26th.

    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 8764 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1920: Thursday 26 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1920 falls on Thursday 26 August. Dvādaśī runs from 15:10 on Wed 25 Aug to 17:16 on Thu 26 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1920/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 26 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 26 Aug
compat-drikpanchangComparison profileThu 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles23:10 → 01:1611:3148 min11:300 min25 Aug
Chicago02:10 → 04:1612:2848 min12:280 min25 Aug
Jersey City03:10 → 05:1612:3448 min12:340 min25 Aug
Port of Spain03:10 → 05:1611:4448 min11:440 min25 Aug
London08:10 → 10:1612:3848 min12:380 min25 Aug
Durban09:10 → 11:1611:3448 min11:340 min25 Aug
Dubai11:10 → 13:1611:5748 min11:5648 min25 Aug
Delhi12:40 → 14:4611:597 min11:5948 min25 Aug
Kolkata12:40 → 14:4611:140 min11:1448 min26 Aug
Singapore14:10 → 16:1611:430 min11:4248 min26 Aug
Sydney17:10 → 19:1611:340 min11:3348 min26 Aug
Suva19:10 → 21:1611:450 min11:4448 min26 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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