An overflow-safe, high-performance datetime library providing leap-second-correct nanosecond precision across UTC, GPST, and relativistic time-scales. Flight-proven in lunar and deep-space missions.
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Aug 5, 2026 - Rust
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leap-second
Here are 8 public repositories matching this topic...
Find the next leap second using IERS-OP web service.
python api cli http client terminal web soap api-client utc soap-api command-line-tool soap-client web-service-client tai leap-second international-atomic-time
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Feb 11, 2018 - Python
A high-performance Python library for parsing and analyzing the IANA Time Zone Database (tzdb). Built for production use with smart caching, minimal dependencies, and a practical API.
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Oct 10, 2025 - C
Live UTC/TAI/GPS clock comparison and a countdown to the December 2026 leap-second decision, with the odds and the reasoning.
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Jul 10, 2026 - JavaScript
A python library for handling precise date/times, virtually infinitely far into the past and future, including support for leap seconds and partial support for timezones.
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Mar 4, 2025 - Python
Public UTC is a free, no-log public NTP time service with Network Time Security (NTS, RFC 8915). Use smear.public-utc.com (recommended) or leap.public-utc.com. IPv4 and IPv6.
ipv6 ntp time-server nts chrony leap-second ntpsec stratum-2 network-time-security public-utc rfc-8915 public-ntp leap-smear authenticated-time free-time-server
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Jun 18, 2026
Faithful, memory-safe Rust port of upstream leapseconds.awk — generates the zic 'leapseconds' source from NIST/IERS leap-seconds.list, byte-identical to the awk oracle.
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Jun 6, 2026 - Rust
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