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HamSphere 4.0 moves to 5.0
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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
Join
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 20:00
2022-10-16 00:00
2022-10-18 00:00
HamSphere 4.0 Southern Hemisphere 24 Hour SSB contest 2022
2022-09-24 00:00
2022-09-25 00:00
2022-09-27 00:00
HamSphere 4.0 RTTY Contest 2022
2022-08-27 04:00
2022-08-28 04:00
2022-08-29 04:00
Four hour series contest stage 4
2022-08-20 16:00
2022-08-20 20:00
2022-08-23 00:00
HamSphere 4.0 SSTV 24 hour contest 2022
2022-08-13 04:00
2022-08-14 04:00
2022-08-17 00:00
Summer 24 Hour DX SSB Contest 2022
2022-07-30 07:00
2022-07-31 07:00
2022-08-03 00:00
HamSphere 4.0 Summer CW contest 2022
2022-07-16 04:00
2022-07-17 04:00
2022-07-19 00:00
Four hour series contest stage 3
2022-06-11 12:00
2022-06-11 16:00
2022-06-14 00:00
PSK31 24 hour
2022-05-21 07:00
2022-05-22 07:00
2022-05-24 00:00
Four hour series contest stage 2
2022-04-23 08:00
2022-04-23 12:00
2022-04-23 18:00
Latin America & Caribbean 24 hour SSB Contest
2022-04-09 07:00
2022-04-10 07:00
2022-04-12 00:00
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 20:00
2021-10-03 00:00
2021-10-05 00:00
HamSphere 4.0 Southern Hemisphere 24 Hour SSB contest 2021
2021-09-18 00:00
2021-09-19 00:00
2021-09-21 00:00
HamSphere 4.0 RTTY Contest 2021
2021-08-28 04:00
2021-08-29 04:00
2021-08-31 00:00
Four hour series contest stage 4
2021-08-21 16:00
2021-08-21 20:00
2021-08-24 00:00
SSTV 24 hour contest 2021
2021-08-14 04:00
2021-08-15 04:00
2021-08-18 00:00
Late Night DX Summer 24 Hour SSB Contest 2021
2021-07-31 07:00
2021-08-01 07:00
2021-08-04 00:00
HamSphere 4.0 Summer CW contest 2021
2021-07-17 04:00
2021-07-18 04:00
2021-07-20 00:00
Four hour series contest stage 3
2021-06-19 12:00
2021-06-19 16:00
2021-06-22 00:00
PSK31 24 hour
2021-05-22 07:00
2021-05-23 07:00
2020-05-25 00:00
Four hour series contest stage 2
2021-04-24 08:00
2021-04-24 12:00
2021-04-24 18:00
Latin America & Caribbean 24 hour SSB Contest
2021-04-10 07:00
2021-04-11 07:00
2021-04-13 00:00
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 20:00
2020-10-04 00:00
2020-10-06 00:00
HamSphere 4.0 Southern Hemisphere 24 Hour contest 2020
2020-09-19 00:00
2020-09-20 00:00
2020-09-22 00:00
HamSphere 4.0 RTTY Contest 2020
2020-08-29 04:00
2020-08-30 04:00
2020-09-01 00:00
Four hour series contest stage 4
2020-08-22 16:00
2020-08-22 20:00
2020-08-24 00:00
SSTV 24 hour contest 2020
2020-08-15 04:00
2020-08-16 04:00
2020-08-18 00:00
Late Night DX Summer 24 Hour Contest 2020
2020-08-01 07:00
2020-08-02 07:00
2020-08-05 00:00
HamSphere 4.0 Summer CW contest 2020
2020-07-25 04:00
2020-07-26 04:00
2020-07-28 00:00
Four hour series contest stage 3
2020-06-27 12:00
2020-06-27 16:00
2020-06-29 00:00
PSK31 24 hour
2020-05-23 07:00
2020-05-24 07:00
2020-05-26 00:00
Four hour series contest stage 2
2020-04-25 08:00
2020-04-25 11:59
2020-04-27 00:00
Latin America & Carribean 24 hour
2020-04-11 07:00
2020-04-12 07:00
2020-04-14 00:00
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 07:00
2019-10-27 06:59
2019-11-01 23:59
HamSphere 4.0 4-hour series contest stage 5
2019-10-05 20:00
2019-10-05 23:59
2019-10-10 23:59
HamSphere 4.0 Southern Hemisphere contest 2019
2019-09-21 00:00
2019-09-21 23:59
2019-09-27 23:59
HamSphere 4.0 RTTY Contest 2019
2019-08-31 04:00
2019-09-01 03:59
2019-09-06 23:59
HamSphere 4.0 4-hour series contest stage 4
2019-08-24 16:00
2019-08-24 19:59
2019-08-29 23:59
HamSphere 4.0 SSTV contest 2019
2019-08-17 04:00
2019-08-18 03:59
2019-08-23 23:59
HamSphere 4.0 British contest 2019
2019-08-03 07:00
2019-08-04 06:59
2019-08-09 23:00
HamSphere 4.0 Summer CW contest 2019
2019-07-27 04:00
2019-07-28 03:59
2019-08-02 23:59
HamSphere 4.0 French DX contest 2019
2019-07-13 07:00
2019-07-14 06:59
2019-07-19 23:59
HamSphere 4.0 4-hour series contest stage 3
2019-06-29 12:00
2019-06-29 15:59
2019-07-04 23:59
HamSphere 4.0 Mediterranean contest 2019
2019-06-08 10:00
2019-06-09 09:59
2019-06-14 23:59
HamSphere 4.0 PSK31 contest 2019
2019-05-25 04:00
2019-05-26 03:59
2019-05-31 23:59
HamSphere 4.0 CIS & Baltic May Day contest 2019
2019-05-04 04:00
2019-05-05 03:59
2019-05-10 23:59
HamSphere 4.0 4-hour series contest stage 2
2019-04-27 08:00
2019-04-27 11:59
2019-05-02 23:59
HamSphere 4.0 Latin America and Caribbeans contest 2019
2019-04-06 07:00
2019-04-07 06:59
2019-04-12 23:59
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 07:00
2018-10-28 06:59
2018-10-30 23:59
HamSphere 4.0 4-hour series contest stage 5
2018-10-06 16:00
2018-10-06 19:59
2018-10-10 23:59
HamSphere 4.0 Southern Hemisphere contest 2018
2018-09-22 00:00
2018-09-22 23:59
2018-09-26 23:59
HamSphere 4.0 RTTY Contest 2018
2018-09-01 04:00
2018-09-02 03:59
2018-09-06 23:59
HamSphere 4.0 4-hour series contest stage 4
2018-08-25 12:00
2018-08-25 15:59
2018-08-29 23:59
HamSphere 4.0 SSTV contest 2018
2018-08-18 04:00
2018-08-19 03:59
2018-08-22 23:59
HamSphere 4.0 British contest 2018
2018-08-04 07:00
2018-08-05 06:59
2018-08-09 23:59
HamSphere 4.0 Summer CW contest 2018
2018-07-21 04:00
2018-07-22 03:59
2018-07-26 23:59
HamSphere 4.0 French DX contest 2018
2018-07-14 07:00
2018-07-15 06:59
2018-07-19 23:59
HamSphere 4.0 4-hour series contest stage 3
2018-06-30 08:00
2018-06-30 11:59
2018-07-04 23:59
HamSphere 4.0 Summer contest 2018
2018-06-09 00:00
2018-06-10 23:59
2018-06-14 23:59
HamSphere 4.0 PSK31 contest 2018
2018-05-26 04:00
2018-05-27 03:59
2018-05-30 23:59
HamSphere 4.0 CIS & Baltic May Day contest 2018
2018-05-05 04:00
2018-05-06 03:59
2018-05-09 23:59
HamSphere 4.0 4-hour series contest stage 2
2018-04-28 04:00
2018-04-28 07:59
2018-05-02 23:59
HamSphere 4.0 Latin America and Caribbeans contest 2018
2018-04-07 07:00
2018-04-08 06:59
2018-04-11 23:59
HamSphere 4.0 Pacific Ocean Contest 2018
2018-03-24 00:00
2018-03-24 23:59
2018-03-28 23:59
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 00:00
2017-10-28 23:59
2017-10-30 23:59
HamSphere 4.0 Southern Hemisphere contest 2017
2017-09-23 00:00
2017-09-23 23:59
2017-09-24 23:59
HamSphere 4.0 CW Contest 2017
2017-09-02 00:00
2017-09-02 23:59
2017-09-03 23:59
HamSphere 4.0 British contest 2017
2017-08-05 00:00
2017-08-05 23:59
2017-08-07 23:59
HamSphere 4.0 French DX contest 2017
2017-07-15 00:00
2017-07-15 23:59
2017-07-16 23:59
HamSphere 4.0 Summer Contest 2017
2017-06-10 00:00
2017-06-11 23:59
2017-06-12 23:59
HamSphere 4.0 CIS & Baltic May Day contest
2017-05-06 00:00
2017-05-06 23:59
2017-05-07 23:59
HamSphere 4.0 Spring Contest 2017
2017-04-08 00:00
2017-04-09 23:59
2017-04-10 23:59
HamSphere 4.0 Pacific Ocean Contest 2017
2017-03-25 00:00
2017-03-25 23:59
2017-03-26 23:59
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 00:00
2016-09-04 00:00
2016-09-05 00:00
HamSphere 4.0 French DX contest 2016
2016-07-16 00:00
2016-07-17 23:59
2016-07-19 00:00
HamSphere 4.0 CIS & Baltic May Day contest
2016-05-07 00:00
2016-05-07 23:59
2016-05-10 00:00
HamSphere 4.0 Spring Contest 2016
2016-04-09 00:00
2016-04-10 23:59
2016-04-12 00:00
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 14:00
2015-09-26 16:00
2015-09-27 12:00
HamSphere 4.0 RDF Contest 2015
2015-09-12 00:00
2015-09-20 07:00
2015-09-22 07:00
HamSphere 4.0 CW Contest 2015
2015-09-05 00:00
2015-09-05 23:59
2015-09-08 00:00
Independence Day of Indonesia HamSphere 4.0 Contest 2015
2015-08-17 00:00
2015-08-17 23:59
2015-08-20 00:00
HamSphere 4th of July Contest 2015 HS4
2015-07-04 00:00
2015-07-04 23:59
2015-07-07 00:00
HamSphere 4.0 CIS & Baltic May Day contest
2015-05-02 00:00
2015-05-02 23:59
2015-05-05 00:00
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