Ruling · Rudra Vrata · 2024

Tuesday 3 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 23 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 Tuesday 3 September

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Wednesday 4 September

Qualifies with 25 of 48 minutes. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
Pratipadā ends 12:17:19
11:0511:2911:5312:1712:4113:0513:29

25 of 48 minutes covered, the first 25

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

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 09:56 on Tue 3 Sep to 12:17 on Wed 4 Sep.

    2024-09-03T01:55:35Z → 2024-09-04T04:17:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 3rd, 11:53–12:41 on the 4th.

    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 3rd and 25 of 48 on the 4th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1408 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2024: Tuesday 3 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2024 falls on Tuesday 3 September. Pratipadā runs from 09:56 on Tue 3 Sep to 12:17 on Wed 4 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 25 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/2024/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 3 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 3 Sep
compat-drikpanchangComparison profileTue 3 Sep
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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles18:56 → 21:1712:2848 min12:270 min3 Sep
Chicago20:56 → 23:1712:2548 min12:250 min3 Sep
Jersey City21:56 → 00:1712:3148 min12:310 min3 Sep
Port of Spain21:56 → 00:1711:4148 min11:410 min3 Sep
London02:56 → 05:1712:3548 min12:350 min3 Sep
Durban03:56 → 06:1711:3148 min11:310 min3 Sep
Dubai05:56 → 08:1711:5448 min11:530 min3 Sep
Delhi07:26 → 09:4711:5648 min11:560 min3 Sep
Kolkata07:26 → 09:4711:1248 min11:110 min3 Sep
Singapore09:56 → 12:1712:4048 min12:400 min3 Sep
Sydney11:56 → 14:1711:3123 min11:3048 min3 Sep
Suva13:56 → 16:1711:420 min11:4148 min4 Sep
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

About Ahargaṇa