Ruling · Śītalāṣṭamī · 1903

Saturday 21 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 488 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 20 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

0 of 48 minutes covered

Midday of Saturday 21 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

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 20:59 on Fri 20 Mar to 23:20 on Sat 21 Mar.

    1903-03-20T12:58:51Z → 1903-03-21T15:20:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 20th, 12:02–12:50 on the 21st.

    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 20th and 48 of 48 on the 21st.

    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 29304 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1903: Saturday 21 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1903 falls on Saturday 21 March. Aṣṭamī runs from 20:59 on Fri 20 Mar to 23:20 on Sat 21 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1903/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 21 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 21 Mar
compat-drikpanchangComparison profileSat 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles04:59 → 07:2011:3748 min11:370 min20 Mar
Chicago06:59 → 09:2011:3548 min11:340 min20 Mar
Jersey City07:59 → 10:2011:4048 min11:400 min20 Mar
Port of Spain08:59 → 11:2011:5048 min11:500 min20 Mar
London12:59 → 15:2011:450 min11:4548 min21 Mar
Durban14:59 → 17:2011:400 min11:3948 min21 Mar
Dubai16:40 → 19:0111:440 min11:4448 min21 Mar
Delhi18:20 → 20:4111:560 min11:5648 min21 Mar
Kolkata18:20 → 20:4111:120 min11:1148 min21 Mar
Singapore19:54 → 22:1511:440 min11:4348 min21 Mar
Sydney22:59 → 01:2011:390 min11:3948 min21 Mar
Suva00:54 → 03:1511:450 min11:4548 min21 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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