Ruling · Śītalāṣṭamī · 2050

Wednesday 16 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 327 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 16 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

48 of 48 minutes covered

Midday of Thursday 17 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:03  12:51 madhyāhna ends
11:1511:3912:0312:2712:5113:1513:39

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 06:36 on Wed 16 Mar to 05:30 on Thu 17 Mar.

    2050-03-15T22:35:48Z → 2050-03-16T21:30:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 16th, 12:03–12:51 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 19640 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2050: Wednesday 16 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2050 falls on Wednesday 16 March. Aṣṭamī runs from 06:36 on Wed 16 Mar to 05:30 on Thu 17 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2050/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 16 Mar
compat-drikpanchangComparison profileWed 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles15:36 → 14:3012:380 min12:3848 min16 Mar
Chicago17:36 → 16:3012:360 min12:3548 min16 Mar
Jersey City18:36 → 17:3012:410 min12:4148 min16 Mar
Port of Spain18:36 → 17:3011:510 min11:5148 min16 Mar
London22:36 → 21:3011:460 min11:4648 min16 Mar
Durban00:36 → 23:3011:410 min11:4048 min16 Mar
Dubai02:36 → 01:3012:040 min12:0448 min16 Mar
Delhi04:06 → 03:0012:060 min12:0648 min16 Mar
Kolkata04:06 → 03:0011:220 min11:2148 min16 Mar
Singapore06:36 → 05:3012:500 min12:4948 min16 Mar
Sydney09:36 → 08:3012:400 min12:4048 min16 Mar
Suva10:36 → 09:3011:510 min11:5148 min16 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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