Ruling · Śītalāṣṭamī · 2025

Saturday 22 March

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 406 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 22 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:10  12:58 madhyāhna ends
11:2211:4612:1012:3412:5813:2213:46

48 of 48 minutes covered

Midday of Sunday 23 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:10  12:58 madhyāhna ends
11:2211:4612:1012:3412:5813:2213:46

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 04:24 on Sat 22 Mar to 05:24 on Sun 23 Mar.

    2025-03-21T22:54:20Z → 2025-03-22T23:53:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 22nd, 12:10–12:58 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 24340 s

  5. 05

    Ruling

    Śītalāṣṭamī, Ujjain, 2025: Saturday 22 March.

    confidence: determinate

Say it like this

In Ujjain, Śītalāṣṭamī 2025 falls on Saturday 22 March. Aṣṭamī runs from 04:24 on Sat 22 Mar to 05:24 on Sun 23 Mar and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2025/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 22 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 22 Mar
compat-drikpanchangComparison profileSat 22 Mar
No institution has a recorded ruling for Ujjain.

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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles15:54 → 16:5412:360 min12:3648 min22 Mar
Chicago17:54 → 18:5412:340 min12:3448 min22 Mar
Jersey City18:54 → 19:5412:400 min12:3948 min22 Mar
Port of Spain18:54 → 19:5411:490 min11:4948 min22 Mar
London22:54 → 23:5411:440 min11:4448 min22 Mar
Durban00:54 → 01:5411:390 min11:3848 min22 Mar
Dubai02:54 → 03:5412:020 min12:0248 min22 Mar
Delhi04:24 → 05:2412:040 min12:0448 min22 Mar
Kolkata04:24 → 05:2411:200 min11:2048 min22 Mar
Singapore06:54 → 07:5412:480 min12:4748 min22 Mar
Sydney09:54 → 10:5412:380 min12:3848 min22 Mar
Suva10:54 → 11:5411:490 min11:4948 min22 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