Ruling · Dāmodara Dvādaśī · 2078

Saturday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 407 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 Friday 19 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

Midday of Saturday 20 August

Taken. The only midday Dvādaśī reaches.

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

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 19:32 on Fri 19 Aug to 19:44 on Sat 20 Aug.

    2078-08-19T11:32:28Z → 2078-08-20T11:43:37Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 19th, 11:57–12:45 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 0 of 48 minutes on the 19th and 48 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 24403 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2078: Saturday 20 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2078 falls on Saturday 20 August. Dvādaśī runs from 19:32 on Fri 19 Aug to 19:44 on Sat 20 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2078/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 20 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 20 Aug
compat-drikpanchangComparison profileSat 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles04:32 → 04:4412:3248 min12:320 min19 Aug
Chicago06:32 → 06:4412:3048 min12:300 min19 Aug
Jersey City07:32 → 07:4412:3648 min12:360 min19 Aug
Port of Spain07:32 → 07:4411:4648 min11:460 min19 Aug
London12:32 → 12:4412:4048 min12:404 min19 Aug
Durban13:32 → 13:4411:360 min11:3648 min20 Aug
Dubai15:32 → 15:4411:580 min11:5848 min20 Aug
Delhi17:02 → 17:1412:010 min12:0148 min20 Aug
Kolkata17:02 → 17:1411:160 min11:1648 min20 Aug
Singapore19:32 → 19:4412:440 min12:4448 min20 Aug
Sydney21:32 → 21:4411:350 min11:3548 min20 Aug
Suva23:32 → 23:4411:460 min11:4648 min20 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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