Ruling · Dāmodara Dvādaśī · 1963

Friday 2 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 224 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 Thursday 1 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

Midday of Friday 2 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 16:32 on Thu 1 Aug to 17:42 on Fri 2 Aug.

    1963-08-01T08:32:25Z → 1963-08-02T09:42:22Z

  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 0 of 48 minutes on the 1st and 48 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 13454 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1963: Friday 2 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1963 falls on Friday 2 August. Dvādaśī runs from 16:32 on Thu 1 Aug to 17:42 on Fri 2 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1963/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 2 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 2 Aug
compat-drikpanchangComparison profileFri 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles01:32 → 02:4212:3548 min12:350 min1 Aug
Chicago03:32 → 04:4212:3348 min12:320 min1 Aug
Jersey City04:32 → 05:4212:3848 min12:380 min1 Aug
Port of Spain04:32 → 05:4211:4848 min11:480 min1 Aug
London09:32 → 10:4212:4248 min12:420 min1 Aug
Durban10:32 → 11:4211:3848 min11:384 min1 Aug
Dubai12:32 → 13:4212:0117 min12:0148 min1 Aug
Delhi14:02 → 15:1212:030 min12:0348 min2 Aug
Kolkata14:02 → 15:1211:190 min11:1948 min2 Aug
Singapore16:02 → 17:1212:170 min12:1748 min2 Aug
Sydney18:32 → 19:4211:380 min11:3848 min2 Aug
Suva20:32 → 21:4211:490 min11:4948 min2 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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