Ruling · Dāmodara Dvādaśī · 2030

Saturday 10 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 449 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 Saturday 10 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

48 of 48 minutes covered

Midday of Sunday 11 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 04:31 on Sat 10 Aug to 01:54 on Sun 11 Aug.

    2030-08-09T20:30:36Z → 2030-08-10T17:54:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 10th, 11:59–12:47 on the 11th.

    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 10th and 0 of 48 on the 11th.

    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 26922 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2030: Saturday 10 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2030 falls on Saturday 10 August. Dvādaśī runs from 04:31 on Sat 10 Aug to 01:54 on Sun 11 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2030/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 10 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 10 Aug
compat-drikpanchangComparison profileSat 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles13:31 → 10:5412:340 min12:340 min10 Aug
Chicago15:31 → 12:5412:320 min12:3223 min10 Aug
Jersey City16:31 → 13:5412:370 min12:3748 min10 Aug
Port of Spain16:31 → 13:5411:480 min11:4748 min10 Aug
London21:31 → 18:5412:420 min12:4148 min10 Aug
Durban22:31 → 19:5411:380 min11:3748 min10 Aug
Dubai00:31 → 21:5412:000 min12:0048 min10 Aug
Delhi02:01 → 23:2412:020 min12:0248 min10 Aug
Kolkata02:01 → 23:2411:180 min11:1848 min10 Aug
Singapore04:31 → 01:5412:460 min12:4648 min10 Aug
Sydney06:31 → 03:5411:370 min11:3748 min10 Aug
Suva08:31 → 05:5411:480 min11:4848 min10 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