WEST to IST Europe
Time Difference
Western European Summer Time is 0 hours ahead of Irish Standard Time
10:30 am10:30 in WEST is 10:30 am10:30 in IST
WEST to IST call time
Best time for a conference call or a meeting is between 8am-6pm in WEST which corresponds to 8am-6pm in IST
10:30 am10:30 Western European Summer Time (WEST). Offset UTC +1:00 hour
10:30 am10:30 Irish Standard Time (IST). Offset UTC +1:00 hour
10:30 am10:30 WEST / 10:30 am10:30 IST
WEST | IST |
---|---|
12am (midnight) | 12am (midnight) |
1am | 1am |
2am | 2am |
3am | 3am |
4am | 4am |
5am | 5am |
6am | 6am |
7am | 7am |
8am | 8am |
9am | 9am |
10am | 10am |
11am | 11am |
12pm (noon) | 12pm (noon) |
1pm | 1pm |
2pm | 2pm |
3pm | 3pm |
4pm | 4pm |
5pm | 5pm |
6pm | 6pm |
7pm | 7pm |
8pm | 8pm |
9pm | 9pm |
10pm | 10pm |
11pm | 11pm |
0:00 | 0:00 |
1:00 | 1:00 |
2:00 | 2:00 |
3:00 | 3:00 |
4:00 | 4:00 |
5:00 | 5:00 |
6:00 | 6:00 |
7:00 | 7:00 |
8:00 | 8:00 |
9:00 | 9:00 |
10:00 | 10:00 |
11:00 | 11:00 |
12:00 | 12:00 |
13:00 | 13:00 |
14:00 | 14:00 |
15:00 | 15:00 |
16:00 | 16:00 |
17:00 | 17:00 |
18:00 | 18:00 |
19:00 | 19:00 |
20:00 | 20:00 |
21:00 | 21:00 |
22:00 | 22:00 |
23:00 | 23:00 |
Western European Summer Time
Offset: WEST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Spain, Faroe Islands, Portugal
Principal Cities: The largest city in the WEST timezone is Lisbon from Portugal with population about 517,802 people. Other major cities in the area are Las Palmas de Gran Canaria, Porto, Santa Cruz de Tenerife, Amadora
German: WESZ - Westeuropäische Sommerzeit

Daylight Saving: Western European Summer Time (WEST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Western European Time (WET).
Start: Western European Summer Time (WEST) started on Sunday, March 30, 2025 at 1:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 2:00 am. Daylight saving starts annually the on last Sunday of March
End: Western European Summer Time (WEST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
WEST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for WEST
- A - short form of 'Alpha'
- Atlantic/Canary
- Atlantic/Faeroe
- Atlantic/Faroe
- Atlantic/Madeira
- Europe/Lisbon
- Portugal
- WET
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Irish Standard Time
Offset: IST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Ireland
Principal Cities: The largest city in the IST timezone is Dublin from Ireland with population about 1.024 million people. Other major cities in the area are Cork, Dun Laoghaire, Luimneach, Gaillimh

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Greenwich Mean Time (GMT).
Start: Irish Standard Time (IST) started on Sunday, March 30, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, March 30, 2025, 2:00 am. Standard time starts annually the on last Sunday of October.
End: Irish Standard Time (IST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 26, 2025, 3:00 am local daylight time instead. Standard time starts annually the on last Sunday of March.
IST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for IST
- A - short form of 'Alpha'
- Eire
- Europe/Dublin
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time