ANSWER (Greek Code of Civil Procedure, as in force October 2026; from own knowledge)

Step 1 - Which period applies.
Art. 518 par. 1 CCP: the appeal period is 30 days from service of the judgment if the party resides in Greece (60 days if abroad / of unknown residence). The company is seated in Heraklion, so 30 days. The period runs from service, and the judgment was served on 16 July 2026 at the plaintiff's initiative. The 2-year long-stop of art. 518 par. 2 (from publication, 2 July 2026) applies only to an unserved judgment, so it is not relevant here.

Step 2 - Start of the period and the day of service.
Time limits are computed under the Civil Code rules (art. 144 par. 1 CCP with arts. 240-243 Civil Code). The day of the triggering event (service, 16 July 2026) is not counted (art. 241 Civil Code). A period in days ends at the end of its last day.

Step 3 - Judicial vacation.
Art. 144 par. 3 CCP: the judicial vacation, 1 July - 15 September, is not counted in time limits for remedies. A period that starts within it only begins to run when the vacation ends. Service on 16 July 2026 falls inside the vacation, so counting starts on 16 September 2026 (the first day outside the vacation), and that day is day 1.

Step 4 - Counting 30 days (art. 518 par. 1 CCP, art. 144 par. 3 CCP).
Day 1 = 16 Sept 2026. Day 15 = 30 Sept 2026 (15 days in September, 16-30). Days 16-30 = 1-15 October 2026. Day 30 = 15 October 2026.

Step 5 - Weekend and holiday check (art. 243 Civil Code, applied through art. 144 CCP).
15 October 2026 is a Thursday (16 July 2026 is a Thursday and 91 days = 13 weeks later is also a Thursday). It is not a Saturday, a Sunday or a public holiday, so there is no extension to the next working day.

Conclusion: the last day for filing the appeal is Thursday 15 October 2026.

RESULT: deadline = 2026-10-15; rule = Art. 518 par. 1 CCP (30 days from service, party resident in Greece), with art. 144 par. 3 CCP (judicial vacation 1 July-15 September not counted) and art. 241 / 243 Civil Code via art. 144 par. 1 CCP
