Ruling · Dāmodara Dvādaśī · 2097

Monday 19 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 517 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 Monday 19 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Tuesday 20 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

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 01:05 on Mon 19 Aug to 03:20 on Tue 20 Aug.

    2097-08-18T17:05:28Z → 2097-08-19T19:20:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 19th, 11:58–12:46 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 31029 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2097: Monday 19 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2097 falls on Monday 19 August. Dvādaśī runs from 01:05 on Mon 19 Aug to 03:20 on Tue 20 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2097/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 19 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 19 Aug
compat-drikpanchangComparison profileMon 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles10:05 → 12:2012:3348 min12:330 min18 Aug
Chicago12:05 → 14:2012:3048 min12:3048 min18 Aug
Jersey City13:05 → 15:2012:3619 min12:3648 min18 Aug
Port of Spain13:05 → 15:2011:460 min11:4648 min19 Aug
London18:05 → 20:2012:400 min12:4048 min19 Aug
Durban19:05 → 21:2011:360 min11:3648 min19 Aug
Dubai21:05 → 23:2011:590 min11:5948 min19 Aug
Delhi22:35 → 00:5012:010 min12:0148 min19 Aug
Kolkata22:35 → 00:5011:170 min11:1648 min19 Aug
Singapore01:05 → 03:2012:450 min12:4548 min19 Aug
Sydney03:05 → 05:2011:360 min11:3548 min19 Aug
Suva05:05 → 07:2011:470 min11:4648 min19 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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