Ruling · Dāmodara Dvādaśī · 2070

Monday 18 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 623 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 18 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 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 23:49 on Sun 17 Aug to 01:35 on Tue 19 Aug.

    2070-08-17T15:49:21Z → 2070-08-18T17:34:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 18th, 11:58–12:46 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 37369 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2070: Monday 18 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2070 falls on Monday 18 August. Dvādaśī runs from 23:49 on Sun 17 Aug to 01:35 on Tue 19 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2070/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 18 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 18 Aug
compat-drikpanchangComparison profileMon 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles08:49 → 10:3512:3348 min12:330 min17 Aug
Chicago10:49 → 12:3512:3048 min12:305 min17 Aug
Jersey City11:49 → 13:3512:3648 min12:3648 min17 Aug
Port of Spain11:49 → 13:3511:4645 min11:4648 min17 Aug
London16:49 → 18:3512:400 min12:4048 min18 Aug
Durban17:49 → 19:3511:360 min11:3648 min18 Aug
Dubai19:49 → 21:3511:590 min11:5948 min18 Aug
Delhi21:19 → 23:0512:010 min12:0148 min18 Aug
Kolkata21:19 → 23:0511:170 min11:1648 min18 Aug
Singapore23:49 → 01:3512:450 min12:4548 min18 Aug
Sydney01:49 → 03:3511:360 min11:3648 min18 Aug
Suva03:49 → 05:3511:470 min11:4748 min18 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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