Ruling · Śītalāṣṭamī · 2024

Tuesday 2 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 593 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 1 April

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

Midday of Tuesday 2 April

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 23:40 on Mon 1 Apr to 22:39 on Tue 2 Apr.

    2024-04-01T15:40:15Z → 2024-04-02T14:39:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 1st, 11:58–12:46 on the 2nd.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 35600 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2024: Tuesday 2 April.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2024 falls on Tuesday 2 April. Aṣṭamī runs from 23:40 on Mon 1 Apr to 22:39 on Tue 2 Apr and covers all of madhyāhna that midday.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 2 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 2 Apr
compat-drikpanchangComparison profileTue 2 Apr
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/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles08:40 → 07:3912:3348 min12:330 min1 Apr
Chicago10:40 → 09:3912:3148 min12:300 min1 Apr
Jersey City11:40 → 10:3912:3648 min12:360 min1 Apr
Port of Spain11:40 → 10:3911:4648 min11:460 min1 Apr
London16:40 → 15:3912:410 min12:4048 min2 Apr
Durban17:40 → 16:3911:350 min11:3548 min2 Apr
Dubai19:40 → 18:3911:590 min11:5848 min2 Apr
Delhi21:10 → 20:0912:010 min12:0148 min2 Apr
Kolkata21:10 → 20:0911:160 min11:1648 min2 Apr
Singapore23:40 → 22:3912:440 min12:4448 min2 Apr
Sydney02:40 → 01:3912:350 min12:3448 min2 Apr
Suva03:40 → 02:3911:460 min11:4648 min2 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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