Ruling · Dāmodara Dvādaśī · 2039

Monday 1 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 391 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 1 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Tuesday 2 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 05:29 on Mon 1 Aug to 02:35 on Tue 2 Aug.

    2039-07-31T21:29:12Z → 2039-08-01T18:34:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 1st, 12:00–12:48 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 23467 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2039: Monday 1 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2039 falls on Monday 1 August. Dvādaśī runs from 05:29 on Mon 1 Aug to 02:35 on Tue 2 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2039/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 1 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 1 Aug
compat-drikpanchangComparison profileMon 1 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles14:29 → 11:3512:350 min12:350 min1 Aug
Chicago16:29 → 13:3512:330 min12:3348 min1 Aug
Jersey City17:29 → 14:3512:380 min12:3848 min1 Aug
Port of Spain17:29 → 14:3511:480 min11:4848 min1 Aug
London22:29 → 19:3512:420 min12:4248 min1 Aug
Durban23:29 → 20:3511:390 min11:3848 min1 Aug
Dubai01:29 → 22:3512:010 min12:0148 min1 Aug
Delhi02:59 → 00:0512:030 min12:0348 min1 Aug
Kolkata02:59 → 00:0511:190 min11:1948 min1 Aug
Singapore05:29 → 02:3512:470 min12:4748 min1 Aug
Sydney07:29 → 04:3511:380 min11:3848 min1 Aug
Suva09:29 → 06:3511:490 min11:4948 min1 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

About Ahargaṇa