Ruling · Dāmodara Dvādaśī · 2015

Thursday 27 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 6 min 43 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 Wednesday 26 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 27 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
Dvādaśī ends 12:02:14
11:0811:3211:5612:2012:4413:0813:32

7 of 48 minutes covered, the first 7

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 14:10 on Wed 26 Aug to 12:02 on Thu 27 Aug.

    2015-08-26T06:10:29Z → 2015-08-27T04:02:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 26th, 11:56–12:44 on the 27th.

    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 26th and 7 of 48 on the 27th.

    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 403 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2015: Thursday 27 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2015 falls on Thursday 27 August. Dvādaśī runs from 14:10 on Wed 26 Aug to 12:02 on Thu 27 Aug and covers 7 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2015/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 27 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 27 Aug
compat-drikpanchangComparison profileThu 27 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles23:10 → 21:0212:3148 min12:300 min26 Aug
Chicago01:10 → 23:0212:2848 min12:280 min26 Aug
Jersey City02:10 → 00:0212:3448 min12:340 min26 Aug
Port of Spain02:10 → 00:0211:4448 min11:440 min26 Aug
London07:10 → 05:0212:3848 min12:380 min26 Aug
Durban08:10 → 06:0211:3448 min11:340 min26 Aug
Dubai10:10 → 08:0211:5748 min11:560 min26 Aug
Delhi11:40 → 09:3211:5948 min11:590 min26 Aug
Kolkata11:40 → 09:3211:1422 min11:140 min26 Aug
Singapore14:10 → 12:0212:430 min12:420 min27 Aug
Sydney16:10 → 14:0211:330 min11:3348 min27 Aug
Suva18:10 → 16:0211:440 min11:4448 min27 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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