Ruling · Rudra Vrata · 2055

Monday 23 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 581 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 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 Tuesday 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 02:15 on Mon 23 Aug to 22:54 on Mon 23 Aug.

    2055-08-22T18:15:13Z → 2055-08-23T14:54:00Z

  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 34888 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2055: Monday 23 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2055 falls on Monday 23 August. Pratipadā runs from 02:15 on Mon 23 Aug to 22:54 on Mon 23 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2055/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 23 Aug
compat-drikpanchangComparison profileMon 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 Angeles11:15 → 07:5412:3248 min12:310 min22 Aug
Chicago13:15 → 09:5412:292 min12:290 min22 Aug
Jersey City14:15 → 10:5412:350 min12:350 min23 Aug
Port of Spain14:15 → 10:5411:450 min11:450 min23 Aug
London19:15 → 15:5412:390 min12:3948 min23 Aug
Durban20:15 → 16:5411:350 min11:3548 min23 Aug
Dubai22:15 → 18:5411:580 min11:5748 min23 Aug
Delhi23:45 → 20:2412:000 min12:0048 min23 Aug
Kolkata23:45 → 20:2411:150 min11:1548 min23 Aug
Singapore02:15 → 22:5412:440 min12:4348 min23 Aug
Sydney04:15 → 00:5411:350 min11:3448 min23 Aug
Suva06:15 → 02:5411:460 min11:4548 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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