diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 73c450b2d6..9e8bc8cbd4 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -248,8 +248,8 @@ public:
 
         // Deployment of Deployment of Basic BLS, AssetLocks, EHF
         consensus.vDeployments[Consensus::DEPLOYMENT_V19].bit = 8;
-        consensus.vDeployments[Consensus::DEPLOYMENT_V19].nStartTime = 19999999999;     // TODO: To be determined later
-        consensus.vDeployments[Consensus::DEPLOYMENT_V19].nTimeout = 999999999999ULL;
+        consensus.vDeployments[Consensus::DEPLOYMENT_V19].nStartTime = 1680220800;     // Fri, Mar 31, 2023 0:00:00
+        consensus.vDeployments[Consensus::DEPLOYMENT_V19].nTimeout = 1711843200;     // Sun, Mar 31, 2024 00:00:00
         consensus.vDeployments[Consensus::DEPLOYMENT_V19].nWindowSize = 4032;
         consensus.vDeployments[Consensus::DEPLOYMENT_V19].nThresholdStart = 3226;       // 80% of 4032
         consensus.vDeployments[Consensus::DEPLOYMENT_V19].nThresholdMin = 2420;         // 60% of 4032
@@ -486,7 +486,7 @@ public:
 
         // Deployment of Deployment of Basic BLS, AssetLocks, EHF
         consensus.vDeployments[Consensus::DEPLOYMENT_V19].bit = 8;
-        consensus.vDeployments[Consensus::DEPLOYMENT_V19].nStartTime = 19999999999;     // TODO: To be determined later
+        consensus.vDeployments[Consensus::DEPLOYMENT_V19].nStartTime = 1677024000;     // Wed, Feb 22, 2023 0:00:00
         consensus.vDeployments[Consensus::DEPLOYMENT_V19].nTimeout = 999999999999ULL;
         consensus.vDeployments[Consensus::DEPLOYMENT_V19].nWindowSize = 100;
         consensus.vDeployments[Consensus::DEPLOYMENT_V19].nThresholdStart = 80;         // 80% of 100