Ruling · Dāmodara Dvādaśī · 1945

Monday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 647 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 20 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:57  13:45 madhyāhna ends
12:0912:3312:5713:2113:4514:0914:33

48 of 48 minutes covered

Midday of Tuesday 21 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:57  13:45 madhyāhna ends
12:0912:3312:5713:2113:4514:0914:33

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 02:11 on Mon 20 Aug to 01:57 on Tue 21 Aug.

    1945-08-19T17:10:40Z → 1945-08-20T16:56:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:57–13:45 on the 20th, 12:57–13:45 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 38796 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 1945: Monday 20 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 1945 falls on Monday 20 August. Dvādaśī runs from 02:11 on Mon 20 Aug to 01:57 on Tue 21 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1945/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 20 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 20 Aug
compat-drikpanchangComparison profileMon 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 Angeles10:11 → 09:5712:3248 min12:320 min19 Aug
Chicago12:11 → 11:5712:3048 min12:300 min19 Aug
Jersey City13:11 → 12:5712:3613 min12:3521 min19 Aug
Port of Spain14:11 → 13:5712:460 min12:4548 min20 Aug
London18:11 → 17:5712:400 min12:3948 min20 Aug
Durban19:11 → 18:5711:360 min11:3548 min20 Aug
Dubai21:11 → 20:5711:580 min11:5848 min20 Aug
Delhi23:41 → 23:2713:010 min13:0048 min20 Aug
Kolkata23:41 → 23:2712:160 min12:1648 min20 Aug
Singapore02:11 → 01:5713:440 min13:4448 min20 Aug
Sydney03:11 → 02:5711:350 min11:3548 min20 Aug
Suva05:11 → 04:5711:460 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

About Ahargaṇa