Ruling · Dāmodara Dvādaśī · 2019

Monday 12 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 35 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 11 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
Dvādaśī begins 13:22:30
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Monday 12 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 13:23 on Sun 11 Aug to 14:37 on Mon 12 Aug.

    2019-08-11T05:22:30Z → 2019-08-12T06:36:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 11th, 11:59–12:47 on the 12th.

    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 11th and 48 of 48 on the 12th.

    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 2121 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2019: Monday 12 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2019 falls on Monday 12 August. Dvādaśī runs from 13:23 on Sun 11 Aug to 14:37 on Mon 12 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2019/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 12 Aug
compat-drikpanchangComparison profileSun 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles22:23 → 23:3712:3448 min12:340 min11 Aug
Chicago00:23 → 01:3712:3148 min12:310 min11 Aug
Jersey City01:23 → 02:3712:3748 min12:370 min11 Aug
Port of Spain01:23 → 02:3711:4748 min11:470 min11 Aug
London06:23 → 07:3712:4148 min12:410 min11 Aug
Durban07:23 → 08:3711:3748 min11:370 min11 Aug
Dubai09:23 → 10:3712:0048 min12:000 min11 Aug
Delhi10:53 → 12:0712:0248 min12:025 min11 Aug
Kolkata10:53 → 12:0711:1848 min11:1848 min11 Aug
Singapore13:23 → 14:3712:4611 min12:4648 min11 Aug
Sydney15:23 → 16:3711:370 min11:3748 min12 Aug
Suva17:23 → 18:3711:480 min11:4848 min12 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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