Ruling · Dāmodara Dvādaśī · 1939

Saturday 26 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 498 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 25 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

0 of 48 minutes covered

Midday of Saturday 26 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

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 21:02 on Fri 25 Aug to 23:04 on Sat 26 Aug.

    1939-08-25T13:01:57Z → 1939-08-26T15:04:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 25th, 11:56–12:44 on the 26th.

    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 25th and 48 of 48 on the 26th.

    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 29868 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1939: Saturday 26 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1939 falls on Saturday 26 August. Dvādaśī runs from 21:02 on Fri 25 Aug to 23:04 on Sat 26 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1939/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 26 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 26 Aug
compat-drikpanchangComparison profileSat 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles05:02 → 07:0411:3148 min11:310 min25 Aug
Chicago08:02 → 10:0412:2848 min12:280 min25 Aug
Jersey City09:02 → 11:0412:3448 min12:340 min25 Aug
Port of Spain09:02 → 11:0411:4448 min11:440 min25 Aug
London14:02 → 16:0412:380 min12:3848 min26 Aug
Durban15:02 → 17:0411:340 min11:3448 min26 Aug
Dubai17:02 → 19:0411:570 min11:5748 min26 Aug
Delhi18:32 → 20:3411:590 min11:5948 min26 Aug
Kolkata18:32 → 20:3411:150 min11:1448 min26 Aug
Singapore20:22 → 22:2412:030 min12:0348 min26 Aug
Sydney23:02 → 01:0411:340 min11:3348 min26 Aug
Suva01:02 → 03:0411:450 min11:4548 min26 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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