Ruling · Rudra Vrata · 1933

Tuesday 22 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 63 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 Monday 21 August

Pratipadā 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

Midday of Tuesday 22 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

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

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 13:48 on Mon 21 Aug to 14:06 on Tue 22 Aug.

    1933-08-21T05:47:48Z → 1933-08-22T06:06:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 21st, 11:57–12:45 on the 22nd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.

    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 3767 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1933: Tuesday 22 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1933 falls on Tuesday 22 August. Pratipadā runs from 13:48 on Mon 21 Aug to 14:06 on Tue 22 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1933/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 22 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 22 Aug
compat-drikpanchangComparison profileTue 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles21:48 → 22:0611:3248 min11:310 min21 Aug
Chicago00:48 → 01:0612:2948 min12:290 min21 Aug
Jersey City01:48 → 02:0612:3548 min12:350 min21 Aug
Port of Spain01:48 → 02:0611:4548 min11:450 min21 Aug
London06:48 → 07:0612:3948 min12:390 min21 Aug
Durban07:48 → 08:0611:3548 min11:350 min21 Aug
Dubai09:48 → 10:0611:5848 min11:570 min21 Aug
Delhi11:18 → 11:3612:0048 min12:000 min21 Aug
Kolkata11:18 → 11:3611:1646 min11:1521 min21 Aug
Singapore13:08 → 13:2612:040 min12:0448 min22 Aug
Sydney15:48 → 16:0611:350 min11:3448 min22 Aug
Suva17:48 → 18:0611:460 min11:4548 min22 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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