Ruling · Dāmodara Dvādaśī · 2045

Wednesday 23 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 14 minutes.

Decide it for

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 Wednesday 23 August

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:57  12:45 madhyāhna ends
Dvādaśī begins 12:10:00
11:0911:3311:5712:2112:4513:0913:33

35 of 48 minutes covered, the last 35

Midday of Thursday 24 August

Qualifies with 48 of 48 minutes. Not taken.

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 12:10 on Wed 23 Aug to 14:28 on Thu 24 Aug.

    2045-08-23T04:10:00Z → 2045-08-24T06:28:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 23rd, 11:56–12:44 on the 24th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 35 of 48 minutes on the 23rd and 48 of 48 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 810 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2045: Wednesday 23 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2045 falls on Wednesday 23 August. Dvādaśī runs from 12:10 on Wed 23 Aug to 14:28 on Thu 24 Aug and covers 35 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/2045/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 23 Aug
compat-drikpanchangComparison profileWed 23 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles21:10 → 23:2812:3148 min12:310 min23 Aug
Chicago23:10 → 01:2812:2948 min12:280 min23 Aug
Jersey City00:10 → 02:2812:3548 min12:340 min23 Aug
Port of Spain00:10 → 02:2811:4548 min11:440 min23 Aug
London05:10 → 07:2812:3948 min12:380 min23 Aug
Durban06:10 → 08:2811:3548 min11:340 min23 Aug
Dubai08:10 → 10:2811:5748 min11:570 min23 Aug
Delhi09:40 → 11:5812:0048 min11:590 min23 Aug
Kolkata09:40 → 11:5811:1548 min11:1544 min23 Aug
Singapore12:10 → 14:2812:4348 min12:4348 min23 Aug
Sydney14:10 → 16:2811:340 min11:3448 min24 Aug
Suva16:10 → 18:2811:450 min11:4548 min24 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