Ruling · Dāmodara Dvādaśī · 2066

Tuesday 3 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 63 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 Monday 2 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 Tuesday 3 August

Taken. Dvādaśī reaches neither midday; the rule takes the second day.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 14:04 on Mon 2 Aug to 10:58 on Tue 3 Aug.

    2066-08-02T06:04:28Z → 2066-08-03T02:57:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 2nd, 12:00–12:48 on the 3rd.

    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 2nd and 0 of 48 on the 3rd.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 3763 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2066: Tuesday 3 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2066 falls on Tuesday 3 August. Dvādaśī runs from 14:04 on Mon 2 Aug to 10:58 on Tue 3 Aug, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2066/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 3 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 3 Aug
compat-drikpanchangComparison profileTue 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles23:04 → 19:5812:3548 min12:350 min2 Aug
Chicago01:04 → 21:5812:3348 min12:330 min2 Aug
Jersey City02:04 → 22:5812:3848 min12:380 min2 Aug
Port of Spain02:04 → 22:5811:4848 min11:480 min2 Aug
London07:04 → 03:5812:4248 min12:420 min2 Aug
Durban08:04 → 04:5811:3948 min11:380 min2 Aug
Dubai10:04 → 06:5812:0148 min12:010 min2 Aug
Delhi11:34 → 08:2812:0348 min12:030 min2 Aug
Kolkata11:34 → 08:2811:1932 min11:190 min2 Aug
Singapore14:04 → 10:5812:470 min12:470 min3 Aug
Sydney16:04 → 12:5811:380 min11:3848 min3 Aug
Suva18:04 → 14:5811:490 min11:4948 min3 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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