HamSphere 4.0 Contest Calendar
Welcome to the official HamSphere 4.0 contest calendar (Subject to change)
If you have not participated in a Ham Radio contest before,
here is an easy guideline
Create your own contests, please send a request to contest@hamsphere.com stating your contest idea and we will listen.
Contest
Starts UTC
Ends UTC
Log Deadline UTC
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2022
North American Winter 24 hour SSB Contest 2022
2022-12-17 00:00
2022-12-18 00:00
2022-12-19 00:00
Four hour series contest stage 6
2022-12-03 00:00
2022-12-03 04:00
2022-12-04 00:00
HamSphere 4.0 Fall CW contest 2022
2022-11-05 04:00
2022-11-06 04:00
2022-11-07 04:00
Four hour series contest stage 5
2022-10-15 21:00
2022-10-16 01:00
2022-10-18 01:00
HamSphere 4.0 Southern Hemisphere 24 Hour SSB contest 2022
2022-09-24 01:00
2022-09-25 01:00
2022-09-27 01:00
HamSphere 4.0 RTTY Contest 2022
2022-08-27 05:00
2022-08-28 05:00
2022-08-29 05:00
Four hour series contest stage 4
2022-08-20 17:00
2022-08-20 21:00
2022-08-23 01:00
HamSphere 4.0 SSTV 24 hour contest 2022
2022-08-13 05:00
2022-08-14 05:00
2022-08-17 01:00
Summer 24 Hour DX SSB Contest 2022
2022-07-30 08:00
2022-07-31 08:00
2022-08-03 01:00
HamSphere 4.0 Summer CW contest 2022
2022-07-16 05:00
2022-07-17 05:00
2022-07-19 01:00
Four hour series contest stage 3
2022-06-11 13:00
2022-06-11 17:00
2022-06-14 01:00
PSK31 24 hour
2022-05-21 08:00
2022-05-22 08:00
2022-05-24 01:00
Four hour series contest stage 2
2022-04-23 09:00
2022-04-23 13:00
2022-04-23 19:00
Latin America & Caribbean 24 hour SSB Contest
2022-04-09 08:00
2022-04-10 08:00
2022-04-12 01:00
HamSphere 4.0 European 24 hour SSB Contest
2022-03-05 07:00
2022-03-06 07:00
2022-03-09 00:00
HamSphere 4.0 All Asia 24 hour SSB Contest
2022-02-19 00:00
2022-02-20 00:00
2022-02-23 00:00
Four hour series contest stage 1
2022-01-29 04:00
2022-01-29 08:00
2022-01-30 00:00
HamSphere 4.0 New Year contest 2022
2022-01-08 00:00
2022-01-09 00:00
2022-01-10 00:00
2021
North American Winter 24 hour SSB Contest 2021
2021-12-11 00:00
2021-12-12 00:00
2021-12-14 00:00
Four hour series contest stage 6
2021-12-04 00:00
2021-12-04 04:00
2021-12-07 00:00
HamSphere 4.0 Fall CW contest 2021
2021-11-06 04:00
2021-11-07 04:00
2021-11-09 00:00
Four hour series contest stage 5
2021-10-02 21:00
2021-10-03 01:00
2021-10-05 01:00
HamSphere 4.0 Southern Hemisphere 24 Hour SSB contest 2021
2021-09-18 01:00
2021-09-19 01:00
2021-09-21 01:00
HamSphere 4.0 RTTY Contest 2021
2021-08-28 05:00
2021-08-29 05:00
2021-08-31 01:00
Four hour series contest stage 4
2021-08-21 17:00
2021-08-21 21:00
2021-08-24 01:00
SSTV 24 hour contest 2021
2021-08-14 05:00
2021-08-15 05:00
2021-08-18 01:00
Late Night DX Summer 24 Hour SSB Contest 2021
2021-07-31 08:00
2021-08-01 08:00
2021-08-04 01:00
HamSphere 4.0 Summer CW contest 2021
2021-07-17 05:00
2021-07-18 05:00
2021-07-20 01:00
Four hour series contest stage 3
2021-06-19 13:00
2021-06-19 17:00
2021-06-22 01:00
PSK31 24 hour
2021-05-22 08:00
2021-05-23 08:00
2020-05-25 01:00
Four hour series contest stage 2
2021-04-24 09:00
2021-04-24 13:00
2021-04-24 19:00
Latin America & Caribbean 24 hour SSB Contest
2021-04-10 08:00
2021-04-11 08:00
2021-04-13 01:00
European 24 hour
2021-03-06 07:00
2021-03-07 07:00
2021-03-10 00:00
All Asia 24 hour
2021-02-13 00:00
2021-02-14 00:00
2021-02-16 00:00
Four hour series contest stage 1
2021-01-30 04:00
2021-01-30 08:00
2021-02-02 00:00
HamSphere 4.0 New Year contest 2021
2021-01-09 00:00
2021-01-10 00:00
2021-01-11 00:00
2020
HamSphere 4.0 Winter CW contest 2020
2020-12-26 04:00
2020-12-27 04:00
2020-12-29 00:00
North American Winter 24 hour 2020
2020-12-12 00:00
2020-12-13 00:00
2020-12-15 00:00
Four hour series contest stage 6
2020-12-05 00:00
2020-12-05 04:00
2020-12-07 00:00
Four hour series contest stage 5
2020-10-03 21:00
2020-10-04 01:00
2020-10-06 01:00
HamSphere 4.0 Southern Hemisphere 24 Hour contest 2020
2020-09-19 01:00
2020-09-20 01:00
2020-09-22 01:00
HamSphere 4.0 RTTY Contest 2020
2020-08-29 05:00
2020-08-30 05:00
2020-09-01 01:00
Four hour series contest stage 4
2020-08-22 17:00
2020-08-22 21:00
2020-08-24 01:00
SSTV 24 hour contest 2020
2020-08-15 05:00
2020-08-16 05:00
2020-08-18 01:00
Late Night DX Summer 24 Hour Contest 2020
2020-08-01 08:00
2020-08-02 08:00
2020-08-05 01:00
HamSphere 4.0 Summer CW contest 2020
2020-07-25 05:00
2020-07-26 05:00
2020-07-28 01:00
Four hour series contest stage 3
2020-06-27 13:00
2020-06-27 17:00
2020-06-29 01:00
PSK31 24 hour
2020-05-23 08:00
2020-05-24 08:00
2020-05-26 01:00
Four hour series contest stage 2
2020-04-25 09:00
2020-04-25 12:59
2020-04-27 01:00
Latin America & Carribean 24 hour
2020-04-11 08:00
2020-04-12 08:00
2020-04-14 01:00
European 24 hour
2020-03-07 07:00
2020-03-08 07:00
2020-03-11 00:00
All Asia 24 hour
2020-02-15 00:00
2020-02-16 00:00
2020-02-18 00:00
Four hour series contest stage 1
2020-02-01 04:00
2020-02-01 08:00
2020-02-03 00:00
New Year contest 2020
2020-01-08 00:00
2020-01-09 00:00
2020-01-10 00:00
2019
HamSphere 4.0 Winter CW contest 2019
2019-12-28 04:00
2019-12-29 03:59
2020-01-04 23:59
The North American Winter Contest 2019
2019-12-14 00:00
2019-12-14 23:59
2019-12-19 23:59
HamSphere 4.0 4-hour series contest stage 6
2019-12-08 00:00
2019-12-08 03:59
2019-12-13 23:59
Late Night DX Gang Worldwide Prefixes contest 2019
2019-11-23 00:00
2019-11-24 23:59
2019-11-29 23:59
HamSphere 4.0 VHF/UHF Relay Sprint 2019
2019-11-09 16:00
2019-11-09 17:59
2019-11-14 23:59
HamSphere 4.0 Russian Federation Contest 2019
2019-10-26 08:00
2019-10-27 06:59
2019-11-01 23:59
HamSphere 4.0 4-hour series contest stage 5
2019-10-05 21:00
2019-10-06 00:59
2019-10-11 00:59
HamSphere 4.0 Southern Hemisphere contest 2019
2019-09-21 01:00
2019-09-22 00:59
2019-09-28 00:59
HamSphere 4.0 RTTY Contest 2019
2019-08-31 05:00
2019-09-01 04:59
2019-09-07 00:59
HamSphere 4.0 4-hour series contest stage 4
2019-08-24 17:00
2019-08-24 20:59
2019-08-30 00:59
HamSphere 4.0 SSTV contest 2019
2019-08-17 05:00
2019-08-18 04:59
2019-08-24 00:59
HamSphere 4.0 British contest 2019
2019-08-03 08:00
2019-08-04 07:59
2019-08-10 00:00
HamSphere 4.0 Summer CW contest 2019
2019-07-27 05:00
2019-07-28 04:59
2019-08-03 00:59
HamSphere 4.0 French DX contest 2019
2019-07-13 08:00
2019-07-14 07:59
2019-07-20 00:59
HamSphere 4.0 4-hour series contest stage 3
2019-06-29 13:00
2019-06-29 16:59
2019-07-05 00:59
HamSphere 4.0 Mediterranean contest 2019
2019-06-08 11:00
2019-06-09 10:59
2019-06-15 00:59
HamSphere 4.0 PSK31 contest 2019
2019-05-25 05:00
2019-05-26 04:59
2019-06-01 00:59
HamSphere 4.0 CIS & Baltic May Day contest 2019
2019-05-04 05:00
2019-05-05 04:59
2019-05-11 00:59
HamSphere 4.0 4-hour series contest stage 2
2019-04-27 09:00
2019-04-27 12:59
2019-05-03 00:59
HamSphere 4.0 Latin America and Caribbeans contest 2019
2019-04-06 08:00
2019-04-07 07:59
2019-04-13 00:59
HamSphere 4.0 Pacific Ocean Contest 2019
2019-03-23 00:00
2019-03-23 23:59
2019-03-28 23:59
Late Night DX Gang European Union Open Championship 2019
2019-03-09 07:00
2019-03-10 06:59
2019-03-15 23:59
HamSphere 4.0 All Asia DX contest 2019
2019-02-16 00:00
2019-02-16 23:59
2019-02-19 23:59
HamSphere 4.0 4-hour series contest stage 1
2019-02-02 04:00
2019-02-02 07:59
2019-02-07 23:59
HamSphere 4.0 Benelux contest 2019
2019-01-19 07:00
2019-01-20 06:59
2019-01-24 23:59
HamSphere 4.0 New Year contest 2019
2019-01-05 00:00
2019-01-05 23:59
2019-01-08 23:59
2018
HamSphere 4.0 Winter CW contest 2018
2018-12-29 04:00
2018-12-30 03:59
2019-01-03 23:59
The North American Winter Contest 2018
2018-12-15 00:00
2018-12-15 23:59
2018-12-20 23:59
HamSphere 4.0 4-hour series contest stage 6
2018-12-08 20:00
2018-12-08 23:59
2018-12-12 23:59
Late Night DX Gang Worldwide Prefixes contest 2018
2018-11-24 00:00
2018-11-25 23:59
2018-11-29 23:59
HamSphere 4.0 VHF/UHF Relay Sprint 2018
2018-11-10 16:00
2018-11-10 17:59
2018-11-14 23:59
HamSphere 4.0 Russian Federation Contest 2018
2018-10-27 08:00
2018-10-28 06:59
2018-10-30 23:59
HamSphere 4.0 4-hour series contest stage 5
2018-10-06 17:00
2018-10-06 20:59
2018-10-11 00:59
HamSphere 4.0 Southern Hemisphere contest 2018
2018-09-22 01:00
2018-09-23 00:59
2018-09-27 00:59
HamSphere 4.0 RTTY Contest 2018
2018-09-01 05:00
2018-09-02 04:59
2018-09-07 00:59
HamSphere 4.0 4-hour series contest stage 4
2018-08-25 13:00
2018-08-25 16:59
2018-08-30 00:59
HamSphere 4.0 SSTV contest 2018
2018-08-18 05:00
2018-08-19 04:59
2018-08-23 00:59
HamSphere 4.0 British contest 2018
2018-08-04 08:00
2018-08-05 07:59
2018-08-10 00:59
HamSphere 4.0 Summer CW contest 2018
2018-07-21 05:00
2018-07-22 04:59
2018-07-27 00:59
HamSphere 4.0 French DX contest 2018
2018-07-14 08:00
2018-07-15 07:59
2018-07-20 00:59
HamSphere 4.0 4-hour series contest stage 3
2018-06-30 09:00
2018-06-30 12:59
2018-07-05 00:59
HamSphere 4.0 Summer contest 2018
2018-06-09 01:00
2018-06-11 00:59
2018-06-15 00:59
HamSphere 4.0 PSK31 contest 2018
2018-05-26 05:00
2018-05-27 04:59
2018-05-31 00:59
HamSphere 4.0 CIS & Baltic May Day contest 2018
2018-05-05 05:00
2018-05-06 04:59
2018-05-10 00:59
HamSphere 4.0 4-hour series contest stage 2
2018-04-28 05:00
2018-04-28 08:59
2018-05-03 00:59
HamSphere 4.0 Latin America and Caribbeans contest 2018
2018-04-07 08:00
2018-04-08 07:59
2018-04-12 00:59
HamSphere 4.0 Pacific Ocean Contest 2018
2018-03-24 00:00
2018-03-24 23:59
2018-03-29 00:59
Late Night DX Gang European Union Open Championship 2018
2018-03-10 07:00
2018-03-11 06:59
2018-03-14 23:59
HamSphere 4.0 4-hour series contest stage 1
2018-02-24 00:00
2018-02-24 03:59
2018-02-27 23:59
HamSphere 4.0 All Asia DX contest 2018
2018-02-17 00:00
2018-02-17 23:59
2018-02-20 23:59
HamSphere 4.0 Benelux contest 2018
2018-01-20 00:00
2018-01-20 23:59
2018-01-23 23:59
HamSphere 4.0 New Year Contest 2018
2018-01-06 00:00
2018-01-06 23:59
2018-01-09 23:59
2017
The North American Winter Contest 2017
2017-12-16 00:00
2017-12-17 23:59
2017-12-18 23:59
Late Night DX Gang Worldwide Prefixes contest 2017
2017-11-25 00:00
2017-11-26 23:59
2017-11-27 23:59
HamSphere 4.0 Russian Federation Contest 2017
2017-10-28 01:00
2017-10-29 00:59
2017-10-30 23:59
HamSphere 4.0 Southern Hemisphere contest 2017
2017-09-23 01:00
2017-09-24 00:59
2017-09-25 00:59
HamSphere 4.0 CW Contest 2017
2017-09-02 01:00
2017-09-03 00:59
2017-09-04 00:59
HamSphere 4.0 British contest 2017
2017-08-05 01:00
2017-08-06 00:59
2017-08-08 00:59
HamSphere 4.0 French DX contest 2017
2017-07-15 01:00
2017-07-16 00:59
2017-07-17 00:59
HamSphere 4.0 Summer Contest 2017
2017-06-10 01:00
2017-06-12 00:59
2017-06-13 00:59
HamSphere 4.0 CIS & Baltic May Day contest
2017-05-06 01:00
2017-05-07 00:59
2017-05-08 00:59
HamSphere 4.0 Spring Contest 2017
2017-04-08 01:00
2017-04-10 00:59
2017-04-11 00:59
HamSphere 4.0 Pacific Ocean Contest 2017
2017-03-25 00:00
2017-03-25 23:59
2017-03-27 00:59
Late Night DX Gang European Union Open Championship 2017
2017-03-04 00:01
2017-03-04 23:59
2017-03-05 23:59
HamSphere 4.0 All Asia DX contest 2017
2017-02-18 00:00
2017-02-18 23:59
2017-02-19 23:59
HamSphere 4.0 New Year Contest 2017
2017-01-14 00:00
2017-01-14 23:59
2017-01-15 23:59
2016
The North American High Frequency Contest 2016
2016-12-17 00:00
2016-12-17 23:59
2016-12-19 00:00
The North American Low Frequency Contest 2016
2016-12-03 00:00
2016-12-03 23:59
2016-12-05 00:00
Late Night DX Gang Worldwide Prefixes contest 2016
2016-11-19 00:00
2016-11-20 23:59
2016-11-21 00:00
HamSphere 4.0 CW Contest 2016
2016-09-03 01:00
2016-09-04 01:00
2016-09-05 01:00
HamSphere 4.0 French DX contest 2016
2016-07-16 01:00
2016-07-18 00:59
2016-07-19 01:00
HamSphere 4.0 CIS & Baltic May Day contest
2016-05-07 01:00
2016-05-08 00:59
2016-05-10 01:00
HamSphere 4.0 Spring Contest 2016
2016-04-09 01:00
2016-04-11 00:59
2016-04-12 01:00
2015
The North American Fall Classic
2015-12-05 00:00
2015-12-05 23:59
2015-12-09 00:00
Late Night DX Gang Worldwide Prefixes contest 2015
2015-11-21 00:00
2015-11-21 23:59
2015-11-23 00:00
The North American Fall Challenge
2015-11-07 00:00
2015-11-08 23:59
2015-11-10 00:00
HamSphere 4.0 VHF/UHF Relay Sprint
2015-09-26 15:00
2015-09-26 17:00
2015-09-27 13:00
HamSphere 4.0 RDF Contest 2015
2015-09-12 01:00
2015-09-20 08:00
2015-09-22 08:00
HamSphere 4.0 CW Contest 2015
2015-09-05 01:00
2015-09-06 00:59
2015-09-08 01:00
Independence Day of Indonesia HamSphere 4.0 Contest 2015
2015-08-17 01:00
2015-08-18 00:59
2015-08-20 01:00
HamSphere 4th of July Contest 2015 HS4
2015-07-04 01:00
2015-07-05 00:59
2015-07-07 01:00
HamSphere 4.0 CIS & Baltic May Day contest
2015-05-02 01:00
2015-05-03 00:59
2015-05-05 01:00
East & South East Asia Lunar New Year Contest 2015
2015-02-19 00:00
2015-02-20 23:59
2015-02-25 00:00
HamSphere 4 New Year Contest 2015
2015-01-01 09:00
2015-01-02 08:59
2015-01-03 00:00