Ruling · Śītalāṣṭamī · 2063

Thursday 22 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 162 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 Wednesday 21 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 Thursday 22 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 15:32 on Wed 21 Mar to 17:11 on Thu 22 Mar.

    2063-03-21T07:31:45Z → 2063-03-22T09:10:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 21st, 12:01–12:49 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 9718 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2063: Thursday 22 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2063 falls on Thursday 22 March. Aṣṭamī runs from 15:32 on Wed 21 Mar to 17:11 on Thu 22 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2063/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 22 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 22 Mar
compat-drikpanchangComparison profileThu 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles00:32 → 02:1112:3648 min12:360 min21 Mar
Chicago02:32 → 04:1112:3448 min12:340 min21 Mar
Jersey City03:32 → 05:1112:4048 min12:400 min21 Mar
Port of Spain03:32 → 05:1111:4948 min11:490 min21 Mar
London07:32 → 09:1111:4448 min11:440 min21 Mar
Durban09:32 → 11:1111:3948 min11:390 min21 Mar
Dubai11:32 → 13:1112:0248 min12:0248 min21 Mar
Delhi13:02 → 14:4112:050 min12:0448 min22 Mar
Kolkata13:02 → 14:4111:200 min11:2048 min22 Mar
Singapore15:32 → 17:1112:480 min12:4848 min22 Mar
Sydney18:32 → 20:1112:380 min12:3848 min22 Mar
Suva19:32 → 21:1111:500 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

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