Ruling · Śītalāṣṭamī · 2030

Tuesday 26 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 319 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 Tuesday 26 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Wednesday 27 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

0 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 06:41 on Tue 26 Mar to 05:08 on Wed 27 Mar.

    2030-03-25T22:41:06Z → 2030-03-26T21:08:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 26th, 12:00–12:48 on the 27th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.

    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 19147 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2030: Tuesday 26 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2030 falls on Tuesday 26 March. Aṣṭamī runs from 06:41 on Tue 26 Mar to 05:08 on Wed 27 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2030/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 26 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 26 Mar
compat-drikpanchangComparison profileTue 26 Mar
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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles15:41 → 14:0812:350 min12:3548 min26 Mar
Chicago17:41 → 16:0812:330 min12:3348 min26 Mar
Jersey City18:41 → 17:0812:390 min12:3848 min26 Mar
Port of Spain18:41 → 17:0811:480 min11:4848 min26 Mar
London22:41 → 21:0811:430 min11:4348 min26 Mar
Durban00:41 → 23:0811:380 min11:3748 min26 Mar
Dubai02:41 → 01:0812:010 min12:0148 min26 Mar
Delhi04:11 → 02:3812:030 min12:0348 min26 Mar
Kolkata04:11 → 02:3811:190 min11:1848 min26 Mar
Singapore06:41 → 05:0812:470 min12:4648 min26 Mar
Sydney09:41 → 08:0812:370 min12:3748 min26 Mar
Suva10:41 → 09:0811:480 min11:4848 min26 Mar
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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