Ruling · Rudra Vrata · 2090

Saturday 26 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 Friday 25 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

Midday of Saturday 26 August

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
Pratipadā ends 13:20:01
11:0811:3211:5612:2012:4413:0813:32

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 17:00 on Fri 25 Aug to 13:20 on Sat 26 Aug.

    2090-08-25T09:00:27Z → 2090-08-26T05:20:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 25th, 11:56–12:44 on the 26th.

    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 25th and 48 of 48 on the 26th.

    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 2163 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2090: Saturday 26 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2090 falls on Saturday 26 August. Pratipadā runs from 17:00 on Fri 25 Aug to 13:20 on Sat 26 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2090/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 26 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 26 Aug
compat-drikpanchangComparison profileSat 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles02:00 → 22:2012:3148 min12:310 min25 Aug
Chicago04:00 → 00:2012:2948 min12:280 min25 Aug
Jersey City05:00 → 01:2012:3448 min12:340 min25 Aug
Port of Spain05:00 → 01:2011:4448 min11:440 min25 Aug
London10:00 → 06:2012:3848 min12:380 min25 Aug
Durban11:00 → 07:2011:3448 min11:340 min25 Aug
Dubai13:00 → 09:2011:570 min11:570 min26 Aug
Delhi14:30 → 10:5011:590 min11:590 min26 Aug
Kolkata14:30 → 10:5011:150 min11:150 min26 Aug
Singapore17:00 → 13:2012:430 min12:4337 min26 Aug
Sydney19:00 → 15:2011:340 min11:3448 min26 Aug
Suva21:00 → 17:2011:450 min11:4548 min26 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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