Ruling · Śītalāṣṭamī · 1900

Saturday 24 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 608 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 Saturday 24 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:06  12:54 madhyāhna ends
11:1811:4212:0612:3012:5413:1813:42

48 of 48 minutes covered

Midday of Sunday 25 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:06  12:54 madhyāhna ends
11:1811:4212:0612:3012:5413:1813:42

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 01:58 on Sat 24 Mar to 01:15 on Sun 25 Mar.

    1900-03-23T17:52:49Z → 1900-03-24T17:09:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 24th, 12:06–12:54 on the 25th.

    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 24th and 0 of 48 on the 25th.

    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 36493 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1900: Saturday 24 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1900 falls on Saturday 24 March. Aṣṭamī runs from 01:58 on Sat 24 Mar to 01:15 on Sun 25 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1900/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 24 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 24 Mar
compat-drikpanchangComparison profileSat 24 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles09:53 → 09:1011:3648 min11:360 min23 Mar
Chicago11:53 → 11:1011:3429 min11:330 min23 Mar
Jersey City12:53 → 12:1011:390 min11:3930 min24 Mar
Port of Spain13:53 → 13:1011:490 min11:4948 min24 Mar
London17:53 → 17:1011:440 min11:4348 min24 Mar
Durban19:23 → 18:4011:080 min11:0848 min24 Mar
Dubai21:34 → 20:5111:430 min11:4248 min24 Mar
Delhi23:14 → 22:3111:550 min11:5548 min24 Mar
Kolkata23:14 → 22:3111:110 min11:1048 min24 Mar
Singapore00:48 → 00:0511:420 min11:4248 min24 Mar
Sydney03:53 → 03:1011:380 min11:3848 min24 Mar
Suva05:48 → 05:0511:440 min11:4448 min24 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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