Ruling · Dāmodara Dvādaśī · 2048

Thursday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 22 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 Thursday 20 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
Dvādaśī begins 12:18:52
11:0911:3311:5712:2112:4513:0913:33

26 of 48 minutes covered, the last 26

Midday of Friday 21 August

Dvādaśī is absent from madhyāhna. Not taken.

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

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 12:19 on Thu 20 Aug to 09:38 on Fri 21 Aug.

    2048-08-20T04:18:53Z → 2048-08-21T01:38:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 20th, 11:57–12:45 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 26 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 1300 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Baoding, 2048: Thursday 20 August.

    confidence: determinate

Say it like this

In Baoding, Dāmodara Dvādaśī 2048 falls on Thursday 20 August. Dvādaśī runs from 12:19 on Thu 20 Aug to 09:38 on Fri 21 Aug and covers 26 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2048/damodara-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 20 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 20 Aug
compat-drikpanchangComparison profileThu 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles21:19 → 18:3812:3248 min12:320 min20 Aug
Chicago23:19 → 20:3812:2948 min12:290 min20 Aug
Jersey City00:19 → 21:3812:3548 min12:350 min20 Aug
Port of Spain00:19 → 21:3811:4548 min11:450 min20 Aug
London05:19 → 02:3812:3948 min12:390 min20 Aug
Durban06:19 → 03:3811:3548 min11:350 min20 Aug
Dubai08:19 → 05:3811:5848 min11:580 min20 Aug
Delhi09:49 → 07:0812:0048 min12:000 min20 Aug
Kolkata09:49 → 07:0811:1648 min11:160 min20 Aug
Singapore12:19 → 09:3812:4448 min12:440 min20 Aug
Sydney14:19 → 11:3811:350 min11:354 min21 Aug
Suva16:19 → 13:3811:460 min11:4648 min21 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