Ruling · Rudra Vrata · 1903

Sunday 23 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 486 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 Sunday 23 August

Taken. The only midday Pratipadā reaches.

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

48 of 48 minutes covered

Midday of Monday 24 August

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

0 of 48 minutes covered

Pratipadā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 03:51 on Sun 23 Aug to 00:25 on Mon 24 Aug.

    1903-08-22T19:50:53Z → 1903-08-23T16:24:56Z

  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

    Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.

    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 29147 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1903: Sunday 23 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1903 falls on Sunday 23 August. Pratipadā runs from 03:51 on Sun 23 Aug to 00:25 on Mon 24 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1903/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 23 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 23 Aug
compat-drikpanchangComparison profileSun 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/rudra-vrata · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“S 1 Rudra vrata (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāMadhyāhna 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles11:51 → 08:2511:3229 min11:310 min22 Aug
Chicago13:51 → 10:2511:290 min11:290 min23 Aug
Jersey City14:51 → 11:2511:350 min11:350 min23 Aug
Port of Spain15:51 → 12:2511:450 min11:4540 min23 Aug
London19:51 → 16:2511:390 min11:3948 min23 Aug
Durban21:51 → 18:2511:350 min11:3548 min23 Aug
Dubai23:32 → 20:0611:390 min11:3848 min23 Aug
Delhi01:12 → 21:4611:510 min11:5148 min23 Aug
Kolkata01:12 → 21:4611:060 min11:0648 min23 Aug
Singapore02:46 → 23:2011:390 min11:3848 min23 Aug
Sydney05:51 → 02:2511:350 min11:3448 min23 Aug
Suva07:46 → 04:2011:410 min11:4048 min23 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rudra-vrata@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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